89902790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3671}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 169205760

約数和(自身を除く): 79302970

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3671, 4898, 7342, 12245, 18355, 24490, 36710, 113801, 227602, 290009, 569005, 580018, 1138010, 1450045, 2900090, 8990279, 17980558, 44951395, 89902790]

約数ペア:

[(1, 89902790), (2, 44951395), (5, 17980558), (10, 8990279), (31, 2900090), (62, 1450045), (79, 1138010), (155, 580018), (158, 569005), (310, 290009), (395, 227602), (790, 113801), (2449, 36710), (3671, 24490), (4898, 18355), (7342, 12245)]