74157890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 138862080

約数和(自身を除く): 64704190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 1721, 3442, 4309, 8605, 8618, 17210, 21545, 43090, 53351, 106702, 239219, 266755, 478438, 533510, 1196095, 2392190, 7415789, 14831578, 37078945, 74157890]

約数ペア:

[(1, 74157890), (2, 37078945), (5, 14831578), (10, 7415789), (31, 2392190), (62, 1196095), (139, 533510), (155, 478438), (278, 266755), (310, 239219), (695, 106702), (1390, 53351), (1721, 43090), (3442, 21545), (4309, 17210), (8605, 8618)]