648962860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 1806336000

約数和(自身を除く): 1157373140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 343, 364, 380, 383, 455, 490, 494, 532, 637, 665, 686, 766, 910, 931, 980, 988, 1235, 1274, 1330, 1372, 1532, 1715, 1729, 1820, 1862, 1915, 2470, 2548, 2660, 2681, 3185, 3430, 3458, 3724, 3830, 4459, 4655, 4940, 4979, 5362, 6370, 6517, 6860, 6916, 7277, 7660, 8645, 8918, 9310, 9958, 10724, 12103, 12740, 13034, 13405, 14554, 17290, 17836, 18620, 18767, 19916, 22295, 24206, 24895, 26068, 26810, 29108, 32585, 34580, 34853, 36385, 37534, 44590, 48412, 49790, 50939, 53620, 60515, 65170, 69706, 72770, 75068, 84721, 89180, 93835, 94601, 99580, 101878, 121030, 130340, 131369, 139412, 145540, 169442, 174265, 187670, 189202, 203756, 242060, 243971, 254695, 262738, 338884, 348530, 356573, 375340, 378404, 423605, 473005, 487942, 509390, 525476, 656845, 662207, 697060, 713146, 847210, 946010, 975884, 1018780, 1219855, 1313690, 1324414, 1426292, 1694420, 1707797, 1782865, 1892020, 2439710, 2496011, 2627380, 2648828, 3311035, 3415594, 3565730, 4635449, 4879420, 4992022, 6622070, 6831188, 7131460, 8538985, 9270898, 9984044, 12480055, 13244140, 17077970, 18541796, 23177245, 24960110, 32448143, 34155940, 46354490, 49920220, 64896286, 92708980, 129792572, 162240715, 324481430, 648962860]

約数ペア:

[(1, 648962860), (2, 324481430), (4, 162240715), (5, 129792572), (7, 92708980), (10, 64896286), (13, 49920220), (14, 46354490), (19, 34155940), (20, 32448143), (26, 24960110), (28, 23177245), (35, 18541796), (38, 17077970), (49, 13244140), (52, 12480055), (65, 9984044), (70, 9270898), (76, 8538985), (91, 7131460), (95, 6831188), (98, 6622070), (130, 4992022), (133, 4879420), (140, 4635449), (182, 3565730), (190, 3415594), (196, 3311035), (245, 2648828), (247, 2627380), (260, 2496011), (266, 2439710), (343, 1892020), (364, 1782865), (380, 1707797), (383, 1694420), (455, 1426292), (490, 1324414), (494, 1313690), (532, 1219855), (637, 1018780), (665, 975884), (686, 946010), (766, 847210), (910, 713146), (931, 697060), (980, 662207), (988, 656845), (1235, 525476), (1274, 509390), (1330, 487942), (1372, 473005), (1532, 423605), (1715, 378404), (1729, 375340), (1820, 356573), (1862, 348530), (1915, 338884), (2470, 262738), (2548, 254695), (2660, 243971), (2681, 242060), (3185, 203756), (3430, 189202), (3458, 187670), (3724, 174265), (3830, 169442), (4459, 145540), (4655, 139412), (4940, 131369), (4979, 130340), (5362, 121030), (6370, 101878), (6517, 99580), (6860, 94601), (6916, 93835), (7277, 89180), (7660, 84721), (8645, 75068), (8918, 72770), (9310, 69706), (9958, 65170), (10724, 60515), (12103, 53620), (12740, 50939), (13034, 49790), (13405, 48412), (14554, 44590), (17290, 37534), (17836, 36385), (18620, 34853), (18767, 34580), (19916, 32585), (22295, 29108), (24206, 26810), (24895, 26068)]