631145420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{28151}}^1$

素因数の和:28238

約数の個数: 48

約数和(自身を含む): 1418860800

約数和(自身を除く): 787715380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 28151, 56302, 112604, 140755, 281510, 534869, 563020, 1069738, 1660909, 2139476, 2674345, 3321818, 5348690, 6643636, 8304545, 10697380, 16609090, 31557271, 33218180, 63114542, 126229084, 157786355, 315572710, 631145420]

約数ペア:

[(1, 631145420), (2, 315572710), (4, 157786355), (5, 126229084), (10, 63114542), (19, 33218180), (20, 31557271), (38, 16609090), (59, 10697380), (76, 8304545), (95, 6643636), (118, 5348690), (190, 3321818), (236, 2674345), (295, 2139476), (380, 1660909), (590, 1069738), (1121, 563020), (1180, 534869), (2242, 281510), (4484, 140755), (5605, 112604), (11210, 56302), (22420, 28151)]