289030280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 192

約数和(自身を含む): 861840000

約数和(自身を除く): 572809720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 121, 133, 140, 152, 154, 190, 209, 220, 242, 266, 280, 308, 380, 385, 418, 440, 449, 484, 532, 605, 616, 665, 760, 770, 836, 847, 898, 968, 1045, 1064, 1210, 1330, 1463, 1540, 1672, 1694, 1796, 2090, 2245, 2299, 2420, 2660, 2926, 3080, 3143, 3388, 3592, 4180, 4235, 4490, 4598, 4840, 4939, 5320, 5852, 6286, 6776, 7315, 8360, 8470, 8531, 8980, 9196, 9878, 11495, 11704, 12572, 14630, 15715, 16093, 16940, 17062, 17960, 18392, 19756, 22990, 24695, 25144, 29260, 31430, 32186, 33880, 34124, 34573, 39512, 42655, 45980, 49390, 54329, 58520, 59717, 62860, 64372, 68248, 69146, 80465, 85310, 91960, 93841, 98780, 108658, 119434, 125720, 128744, 138292, 160930, 170620, 172865, 187682, 197560, 217316, 238868, 271645, 276584, 298585, 321860, 341240, 345730, 375364, 380303, 434632, 469205, 477736, 543290, 597170, 643720, 656887, 691460, 750728, 760606, 938410, 1032251, 1086580, 1194340, 1313774, 1382920, 1521212, 1876820, 1901515, 2064502, 2173160, 2388680, 2627548, 3042424, 3284435, 3753640, 3803030, 4129004, 5161255, 5255096, 6568870, 7225757, 7606060, 8258008, 10322510, 13137740, 14451514, 15212120, 20645020, 26275480, 28903028, 36128785, 41290040, 57806056, 72257570, 144515140, 289030280]

約数ペア:

[(1, 289030280), (2, 144515140), (4, 72257570), (5, 57806056), (7, 41290040), (8, 36128785), (10, 28903028), (11, 26275480), (14, 20645020), (19, 15212120), (20, 14451514), (22, 13137740), (28, 10322510), (35, 8258008), (38, 7606060), (40, 7225757), (44, 6568870), (55, 5255096), (56, 5161255), (70, 4129004), (76, 3803030), (77, 3753640), (88, 3284435), (95, 3042424), (110, 2627548), (121, 2388680), (133, 2173160), (140, 2064502), (152, 1901515), (154, 1876820), (190, 1521212), (209, 1382920), (220, 1313774), (242, 1194340), (266, 1086580), (280, 1032251), (308, 938410), (380, 760606), (385, 750728), (418, 691460), (440, 656887), (449, 643720), (484, 597170), (532, 543290), (605, 477736), (616, 469205), (665, 434632), (760, 380303), (770, 375364), (836, 345730), (847, 341240), (898, 321860), (968, 298585), (1045, 276584), (1064, 271645), (1210, 238868), (1330, 217316), (1463, 197560), (1540, 187682), (1672, 172865), (1694, 170620), (1796, 160930), (2090, 138292), (2245, 128744), (2299, 125720), (2420, 119434), (2660, 108658), (2926, 98780), (3080, 93841), (3143, 91960), (3388, 85310), (3592, 80465), (4180, 69146), (4235, 68248), (4490, 64372), (4598, 62860), (4840, 59717), (4939, 58520), (5320, 54329), (5852, 49390), (6286, 45980), (6776, 42655), (7315, 39512), (8360, 34573), (8470, 34124), (8531, 33880), (8980, 32186), (9196, 31430), (9878, 29260), (11495, 25144), (11704, 24695), (12572, 22990), (14630, 19756), (15715, 18392), (16093, 17960), (16940, 17062)]