181824020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{17791}}^1$

素因数の和:17880

約数の個数: 48

約数和(自身を含む): 442380288

約数和(自身を除く): 260556268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 17791, 35582, 71164, 88955, 124537, 177910, 249074, 355820, 498148, 622685, 1245370, 1298743, 2490740, 2597486, 5194972, 6493715, 9091201, 12987430, 18182402, 25974860, 36364804, 45456005, 90912010, 181824020]

約数ペア:

[(1, 181824020), (2, 90912010), (4, 45456005), (5, 36364804), (7, 25974860), (10, 18182402), (14, 12987430), (20, 9091201), (28, 6493715), (35, 5194972), (70, 2597486), (73, 2490740), (140, 1298743), (146, 1245370), (292, 622685), (365, 498148), (511, 355820), (730, 249074), (1022, 177910), (1460, 124537), (2044, 88955), (2555, 71164), (5110, 35582), (10220, 17791)]