251972030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7457}}^1$

素因数の和:7604

約数の個数: 32

約数和(自身を含む): 472538880

約数和(自身を除く): 220566850

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 3379, 6758, 7457, 14914, 16895, 33790, 37285, 74570, 231167, 462334, 812813, 1155835, 1625626, 2311670, 4064065, 8128130, 25197203, 50394406, 125986015, 251972030]

約数ペア:

[(1, 251972030), (2, 125986015), (5, 50394406), (10, 25197203), (31, 8128130), (62, 4064065), (109, 2311670), (155, 1625626), (218, 1155835), (310, 812813), (545, 462334), (1090, 231167), (3379, 74570), (6758, 37285), (7457, 33790), (14914, 16895)]