154273240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{350621}}^1$

素因数の和:350643

約数の個数: 32

約数和(自身を含む): 378671760

約数和(自身を除く): 224398520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 350621, 701242, 1402484, 1753105, 2804968, 3506210, 3856831, 7012420, 7713662, 14024840, 15427324, 19284155, 30854648, 38568310, 77136620, 154273240]

約数ペア:

[(1, 154273240), (2, 77136620), (4, 38568310), (5, 30854648), (8, 19284155), (10, 15427324), (11, 14024840), (20, 7713662), (22, 7012420), (40, 3856831), (44, 3506210), (55, 2804968), (88, 1753105), (110, 1402484), (220, 701242), (440, 350621)]