247210480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280921}}^1$

素因数の和:280945

約数の個数: 40

約数和(自身を含む): 627017904

約数和(自身を除く): 379807424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 280921, 561842, 1123684, 1404605, 2247368, 2809210, 3090131, 4494736, 5618420, 6180262, 11236840, 12360524, 15450655, 22473680, 24721048, 30901310, 49442096, 61802620, 123605240, 247210480]

約数ペア:

[(1, 247210480), (2, 123605240), (4, 61802620), (5, 49442096), (8, 30901310), (10, 24721048), (11, 22473680), (16, 15450655), (20, 12360524), (22, 11236840), (40, 6180262), (44, 5618420), (55, 4494736), (80, 3090131), (88, 2809210), (110, 2247368), (176, 1404605), (220, 1123684), (440, 561842), (880, 280921)]