289071920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{24251}}^1$

素因数の和:24413

約数の個数: 40

約数和(自身を含む): 676630800

約数和(自身を除く): 387558880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 24251, 48502, 97004, 121255, 194008, 242510, 388016, 485020, 970040, 1940080, 3613399, 7226798, 14453596, 18066995, 28907192, 36133990, 57814384, 72267980, 144535960, 289071920]

約数ペア:

[(1, 289071920), (2, 144535960), (4, 72267980), (5, 57814384), (8, 36133990), (10, 28907192), (16, 18066995), (20, 14453596), (40, 7226798), (80, 3613399), (149, 1940080), (298, 970040), (596, 485020), (745, 388016), (1192, 242510), (1490, 194008), (2384, 121255), (2980, 97004), (5960, 48502), (11920, 24251)]