189400920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19979}}^1$

素因数の和:20072

約数の個数: 64

約数和(自身を含む): 575424000

約数和(自身を除く): 386023080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 19979, 39958, 59937, 79916, 99895, 119874, 159832, 199790, 239748, 299685, 399580, 479496, 599370, 799160, 1198740, 1578341, 2397480, 3156682, 4735023, 6313364, 7891705, 9470046, 12626728, 15783410, 18940092, 23675115, 31566820, 37880184, 47350230, 63133640, 94700460, 189400920]

約数ペア:

[(1, 189400920), (2, 94700460), (3, 63133640), (4, 47350230), (5, 37880184), (6, 31566820), (8, 23675115), (10, 18940092), (12, 15783410), (15, 12626728), (20, 9470046), (24, 7891705), (30, 6313364), (40, 4735023), (60, 3156682), (79, 2397480), (120, 1578341), (158, 1198740), (237, 799160), (316, 599370), (395, 479496), (474, 399580), (632, 299685), (790, 239748), (948, 199790), (1185, 159832), (1580, 119874), (1896, 99895), (2370, 79916), (3160, 59937), (4740, 39958), (9480, 19979)]