290510220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 288

約数和(自身を含む): 1113267456

約数和(自身を除く): 822757236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 49, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 98, 105, 110, 130, 132, 140, 143, 147, 154, 156, 165, 182, 195, 196, 210, 220, 231, 245, 260, 273, 286, 294, 308, 330, 364, 385, 390, 420, 429, 455, 462, 490, 539, 546, 572, 588, 637, 660, 691, 715, 735, 770, 780, 858, 910, 924, 980, 1001, 1078, 1092, 1155, 1274, 1365, 1382, 1430, 1470, 1540, 1617, 1716, 1820, 1911, 2002, 2073, 2145, 2156, 2310, 2548, 2695, 2730, 2764, 2860, 2940, 3003, 3185, 3234, 3455, 3822, 4004, 4146, 4290, 4620, 4837, 5005, 5390, 5460, 6006, 6370, 6468, 6910, 7007, 7601, 7644, 8085, 8292, 8580, 8983, 9555, 9674, 10010, 10365, 10780, 12012, 12740, 13820, 14014, 14511, 15015, 15202, 16170, 17966, 19110, 19348, 20020, 20730, 21021, 22803, 24185, 26949, 28028, 29022, 30030, 30404, 32340, 33859, 35035, 35932, 38005, 38220, 41460, 42042, 44915, 45606, 48370, 53207, 53898, 58044, 60060, 62881, 67718, 70070, 72555, 76010, 84084, 89830, 91212, 96740, 98813, 101577, 105105, 106414, 107796, 114015, 125762, 134745, 135436, 140140, 145110, 152020, 159621, 169295, 179660, 188643, 197626, 203154, 210210, 212828, 228030, 251524, 266035, 269490, 290220, 296439, 314405, 319242, 338590, 372449, 377286, 395252, 406308, 420420, 440167, 456060, 494065, 507885, 532070, 538980, 592878, 628810, 638484, 677180, 691691, 744898, 754572, 798105, 880334, 943215, 988130, 1015770, 1064140, 1117347, 1185756, 1257620, 1320501, 1383382, 1482195, 1489796, 1596210, 1760668, 1862245, 1886430, 1976260, 2031540, 2075073, 2200835, 2234694, 2641002, 2766764, 2964390, 3192420, 3458455, 3724490, 3772860, 4150146, 4401670, 4469388, 4841837, 5282004, 5586735, 5928780, 6602505, 6916910, 7448980, 8300292, 8803340, 9683674, 10375365, 11173470, 13205010, 13833820, 14525511, 19367348, 20750730, 22346940, 24209185, 26410020, 29051022, 41501460, 48418370, 58102044, 72627555, 96836740, 145255110, 290510220]

約数ペア:

[(1, 290510220), (2, 145255110), (3, 96836740), (4, 72627555), (5, 58102044), (6, 48418370), (7, 41501460), (10, 29051022), (11, 26410020), (12, 24209185), (13, 22346940), (14, 20750730), (15, 19367348), (20, 14525511), (21, 13833820), (22, 13205010), (26, 11173470), (28, 10375365), (30, 9683674), (33, 8803340), (35, 8300292), (39, 7448980), (42, 6916910), (44, 6602505), (49, 5928780), (52, 5586735), (55, 5282004), (60, 4841837), (65, 4469388), (66, 4401670), (70, 4150146), (77, 3772860), (78, 3724490), (84, 3458455), (91, 3192420), (98, 2964390), (105, 2766764), (110, 2641002), (130, 2234694), (132, 2200835), (140, 2075073), (143, 2031540), (147, 1976260), (154, 1886430), (156, 1862245), (165, 1760668), (182, 1596210), (195, 1489796), (196, 1482195), (210, 1383382), (220, 1320501), (231, 1257620), (245, 1185756), (260, 1117347), (273, 1064140), (286, 1015770), (294, 988130), (308, 943215), (330, 880334), (364, 798105), (385, 754572), (390, 744898), (420, 691691), (429, 677180), (455, 638484), (462, 628810), (490, 592878), (539, 538980), (546, 532070), (572, 507885), (588, 494065), (637, 456060), (660, 440167), (691, 420420), (715, 406308), (735, 395252), (770, 377286), (780, 372449), (858, 338590), (910, 319242), (924, 314405), (980, 296439), (1001, 290220), (1078, 269490), (1092, 266035), (1155, 251524), (1274, 228030), (1365, 212828), (1382, 210210), (1430, 203154), (1470, 197626), (1540, 188643), (1617, 179660), (1716, 169295), (1820, 159621), (1911, 152020), (2002, 145110), (2073, 140140), (2145, 135436), (2156, 134745), (2310, 125762), (2548, 114015), (2695, 107796), (2730, 106414), (2764, 105105), (2860, 101577), (2940, 98813), (3003, 96740), (3185, 91212), (3234, 89830), (3455, 84084), (3822, 76010), (4004, 72555), (4146, 70070), (4290, 67718), (4620, 62881), (4837, 60060), (5005, 58044), (5390, 53898), (5460, 53207), (6006, 48370), (6370, 45606), (6468, 44915), (6910, 42042), (7007, 41460), (7601, 38220), (7644, 38005), (8085, 35932), (8292, 35035), (8580, 33859), (8983, 32340), (9555, 30404), (9674, 30030), (10010, 29022), (10365, 28028), (10780, 26949), (12012, 24185), (12740, 22803), (13820, 21021), (14014, 20730), (14511, 20020), (15015, 19348), (15202, 19110), (16170, 17966)]