138181775

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 184535064

約数和(自身を除く): 46353289

約数列:

[1, 5, 19, 25, 61, 95, 251, 305, 361, 475, 1159, 1255, 1525, 1805, 4769, 5795, 6275, 9025, 15311, 22021, 23845, 28975, 76555, 90611, 110105, 119225, 290909, 382775, 453055, 550525, 1454545, 2265275, 5527271, 7272725, 27636355, 138181775]

約数ペア:

[(1, 138181775), (5, 27636355), (19, 7272725), (25, 5527271), (61, 2265275), (95, 1454545), (251, 550525), (305, 453055), (361, 382775), (475, 290909), (1159, 119225), (1255, 110105), (1525, 90611), (1805, 76555), (4769, 28975), (5795, 23845), (6275, 22021), (9025, 15311)]