9968907580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{77797}}^1$

素因数の和:77998

約数の個数: 48

約数和(自身を含む): 21565605600

約数和(自身を除く): 11596698020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 2980, 6407, 12814, 25628, 32035, 64070, 77797, 128140, 155594, 311188, 388985, 777970, 1555940, 3345271, 6690542, 11591753, 13381084, 16726355, 23183506, 33452710, 46367012, 57958765, 66905420, 115917530, 231835060, 498445379, 996890758, 1993781516, 2492226895, 4984453790, 9968907580]

約数ペア:

[(1, 9968907580), (2, 4984453790), (4, 2492226895), (5, 1993781516), (10, 996890758), (20, 498445379), (43, 231835060), (86, 115917530), (149, 66905420), (172, 57958765), (215, 46367012), (298, 33452710), (430, 23183506), (596, 16726355), (745, 13381084), (860, 11591753), (1490, 6690542), (2980, 3345271), (6407, 1555940), (12814, 777970), (25628, 388985), (32035, 311188), (64070, 155594), (77797, 128140)]