742933640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{304481}}^1$

素因数の和:304553

約数の個数: 32

約数和(自身を含む): 1699009560

約数和(自身を除く): 956075920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 304481, 608962, 1217924, 1522405, 2435848, 3044810, 6089620, 12179240, 18573341, 37146682, 74293364, 92866705, 148586728, 185733410, 371466820, 742933640]

約数ペア:

[(1, 742933640), (2, 371466820), (4, 185733410), (5, 148586728), (8, 92866705), (10, 74293364), (20, 37146682), (40, 18573341), (61, 12179240), (122, 6089620), (244, 3044810), (305, 2435848), (488, 1522405), (610, 1217924), (1220, 608962), (2440, 304481)]