207455420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{610163}}^1$

素因数の和:610189

約数の個数: 24

約数和(自身を含む): 461283984

約数和(自身を除く): 253828564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 610163, 1220326, 2440652, 3050815, 6101630, 10372771, 12203260, 20745542, 41491084, 51863855, 103727710, 207455420]

約数ペア:

[(1, 207455420), (2, 103727710), (4, 51863855), (5, 41491084), (10, 20745542), (17, 12203260), (20, 10372771), (34, 6101630), (68, 3050815), (85, 2440652), (170, 1220326), (340, 610163)]