61870420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 136055808

約数和(自身を除く): 74185388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1367, 1460, 2263, 2734, 4526, 5468, 6835, 9052, 11315, 13670, 22630, 27340, 42377, 45260, 84754, 99791, 169508, 199582, 211885, 399164, 423770, 498955, 847540, 997910, 1995820, 3093521, 6187042, 12374084, 15467605, 30935210, 61870420]

約数ペア:

[(1, 61870420), (2, 30935210), (4, 15467605), (5, 12374084), (10, 6187042), (20, 3093521), (31, 1995820), (62, 997910), (73, 847540), (124, 498955), (146, 423770), (155, 399164), (292, 211885), (310, 199582), (365, 169508), (620, 99791), (730, 84754), (1367, 45260), (1460, 42377), (2263, 27340), (2734, 22630), (4526, 13670), (5468, 11315), (6835, 9052)]