42497980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{757}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 102384576

約数和(自身を除く): 59886596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 757, 802, 1514, 1604, 2005, 2807, 3028, 3785, 4010, 5299, 5614, 7570, 8020, 10598, 11228, 14035, 15140, 21196, 26495, 28070, 52990, 56140, 105980, 303557, 607114, 1214228, 1517785, 2124899, 3035570, 4249798, 6071140, 8499596, 10624495, 21248990, 42497980]

約数ペア:

[(1, 42497980), (2, 21248990), (4, 10624495), (5, 8499596), (7, 6071140), (10, 4249798), (14, 3035570), (20, 2124899), (28, 1517785), (35, 1214228), (70, 607114), (140, 303557), (401, 105980), (757, 56140), (802, 52990), (1514, 28070), (1604, 26495), (2005, 21196), (2807, 15140), (3028, 14035), (3785, 11228), (4010, 10598), (5299, 8020), (5614, 7570)]