1373240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3121}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 3371760

約数和(自身を除く): 1998520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3121, 6242, 12484, 15605, 24968, 31210, 34331, 62420, 68662, 124840, 137324, 171655, 274648, 343310, 686620, 1373240]

約数ペア:

[(1, 1373240), (2, 686620), (4, 343310), (5, 274648), (8, 171655), (10, 137324), (11, 124840), (20, 68662), (22, 62420), (40, 34331), (44, 31210), (55, 24968), (88, 15605), (110, 12484), (220, 6242), (440, 3121)]