309334120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249463}}^1$

素因数の和:249505

約数の個数: 32

約数和(自身を含む): 718456320

約数和(自身を除く): 409122200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 249463, 498926, 997852, 1247315, 1995704, 2494630, 4989260, 7733353, 9978520, 15466706, 30933412, 38666765, 61866824, 77333530, 154667060, 309334120]

約数ペア:

[(1, 309334120), (2, 154667060), (4, 77333530), (5, 61866824), (8, 38666765), (10, 30933412), (20, 15466706), (31, 9978520), (40, 7733353), (62, 4989260), (124, 2494630), (155, 1995704), (248, 1247315), (310, 997852), (620, 498926), (1240, 249463)]