487019920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{196379}}^1$

素因数の和:196423

約数の個数: 40

約数和(自身を含む): 1168853760

約数和(自身を除く): 681833840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 196379, 392758, 785516, 981895, 1571032, 1963790, 3142064, 3927580, 6087749, 7855160, 12175498, 15710320, 24350996, 30438745, 48701992, 60877490, 97403984, 121754980, 243509960, 487019920]

約数ペア:

[(1, 487019920), (2, 243509960), (4, 121754980), (5, 97403984), (8, 60877490), (10, 48701992), (16, 30438745), (20, 24350996), (31, 15710320), (40, 12175498), (62, 7855160), (80, 6087749), (124, 3927580), (155, 3142064), (248, 1963790), (310, 1571032), (496, 981895), (620, 785516), (1240, 392758), (2480, 196379)]