90861310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 170438400

約数和(自身を除く): 79577090

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 2689, 3379, 5378, 6758, 13445, 16895, 26890, 33790, 83359, 166718, 293101, 416795, 586202, 833590, 1465505, 2931010, 9086131, 18172262, 45430655, 90861310]

約数ペア:

[(1, 90861310), (2, 45430655), (5, 18172262), (10, 9086131), (31, 2931010), (62, 1465505), (109, 833590), (155, 586202), (218, 416795), (310, 293101), (545, 166718), (1090, 83359), (2689, 33790), (3379, 26890), (5378, 16895), (6758, 13445)]