238508710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 497145600

約数和(自身を除く): 258636890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 139, 190, 209, 278, 418, 695, 821, 1045, 1390, 1529, 1642, 2090, 2641, 3058, 4105, 5282, 7645, 8210, 9031, 13205, 15290, 15599, 18062, 26410, 29051, 31198, 45155, 58102, 77995, 90310, 114119, 145255, 155990, 171589, 228238, 290510, 343178, 570595, 857945, 1141190, 1255309, 1715890, 2168261, 2510618, 4336522, 6276545, 10841305, 12553090, 21682610, 23850871, 47701742, 119254355, 238508710]

約数ペア:

[(1, 238508710), (2, 119254355), (5, 47701742), (10, 23850871), (11, 21682610), (19, 12553090), (22, 10841305), (38, 6276545), (55, 4336522), (95, 2510618), (110, 2168261), (139, 1715890), (190, 1255309), (209, 1141190), (278, 857945), (418, 570595), (695, 343178), (821, 290510), (1045, 228238), (1390, 171589), (1529, 155990), (1642, 145255), (2090, 114119), (2641, 90310), (3058, 77995), (4105, 58102), (5282, 45155), (7645, 31198), (8210, 29051), (9031, 26410), (13205, 18062), (15290, 15599)]