977688040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3491743}}^1$

素因数の和:3491761

約数の個数: 32

約数和(自身を含む): 2514055680

約数和(自身を除く): 1536367640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3491743, 6983486, 13966972, 17458715, 24442201, 27933944, 34917430, 48884402, 69834860, 97768804, 122211005, 139669720, 195537608, 244422010, 488844020, 977688040]

約数ペア:

[(1, 977688040), (2, 488844020), (4, 244422010), (5, 195537608), (7, 139669720), (8, 122211005), (10, 97768804), (14, 69834860), (20, 48884402), (28, 34917430), (35, 27933944), (40, 24442201), (56, 17458715), (70, 13966972), (140, 6983486), (280, 3491743)]