290367080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{234167}}^1$

素因数の和:234209

約数の個数: 32

約数和(自身を含む): 674403840

約数和(自身を除く): 384036760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 234167, 468334, 936668, 1170835, 1873336, 2341670, 4683340, 7259177, 9366680, 14518354, 29036708, 36295885, 58073416, 72591770, 145183540, 290367080]

約数ペア:

[(1, 290367080), (2, 145183540), (4, 72591770), (5, 58073416), (8, 36295885), (10, 29036708), (20, 14518354), (31, 9366680), (40, 7259177), (62, 4683340), (124, 2341670), (155, 1873336), (248, 1170835), (310, 936668), (620, 468334), (1240, 234167)]