490568676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 1347752448

約数和(自身を除く): 857183772

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 281, 361, 372, 403, 494, 562, 589, 722, 741, 806, 843, 988, 1083, 1124, 1178, 1209, 1444, 1482, 1612, 1686, 1767, 2166, 2356, 2418, 2964, 3372, 3534, 3653, 4332, 4693, 4836, 5339, 7068, 7306, 7657, 8711, 9386, 10678, 10959, 11191, 14079, 14612, 15314, 16017, 17422, 18772, 21356, 21918, 22382, 22971, 26133, 28158, 30628, 32034, 33573, 34844, 43836, 44764, 45942, 52266, 56316, 64068, 67146, 69407, 91884, 101441, 104532, 113243, 134292, 138814, 145483, 165509, 202882, 208221, 226486, 277628, 290966, 304323, 331018, 339729, 405764, 416442, 436449, 452972, 496527, 581932, 608646, 662036, 679458, 832884, 872898, 993054, 1217292, 1318733, 1358916, 1745796, 1986108, 2151617, 2637466, 3144671, 3956199, 4303234, 5274932, 6289342, 6454851, 7912398, 8606468, 9434013, 12578684, 12909702, 15824796, 18868026, 25819404, 37736052, 40880723, 81761446, 122642169, 163522892, 245284338, 490568676]

約数ペア:

[(1, 490568676), (2, 245284338), (3, 163522892), (4, 122642169), (6, 81761446), (12, 40880723), (13, 37736052), (19, 25819404), (26, 18868026), (31, 15824796), (38, 12909702), (39, 12578684), (52, 9434013), (57, 8606468), (62, 7912398), (76, 6454851), (78, 6289342), (93, 5274932), (114, 4303234), (124, 3956199), (156, 3144671), (186, 2637466), (228, 2151617), (247, 1986108), (281, 1745796), (361, 1358916), (372, 1318733), (403, 1217292), (494, 993054), (562, 872898), (589, 832884), (722, 679458), (741, 662036), (806, 608646), (843, 581932), (988, 496527), (1083, 452972), (1124, 436449), (1178, 416442), (1209, 405764), (1444, 339729), (1482, 331018), (1612, 304323), (1686, 290966), (1767, 277628), (2166, 226486), (2356, 208221), (2418, 202882), (2964, 165509), (3372, 145483), (3534, 138814), (3653, 134292), (4332, 113243), (4693, 104532), (4836, 101441), (5339, 91884), (7068, 69407), (7306, 67146), (7657, 64068), (8711, 56316), (9386, 52266), (10678, 45942), (10959, 44764), (11191, 43836), (14079, 34844), (14612, 33573), (15314, 32034), (16017, 30628), (17422, 28158), (18772, 26133), (21356, 22971), (21918, 22382)]