291650480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10691}}^1$

素因数の和:10746

約数の個数: 80

約数和(自身を含む): 763665408

約数和(自身を除く): 472014928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 10691, 13640, 21382, 27280, 42764, 53455, 85528, 106910, 117601, 171056, 213820, 235202, 331421, 427640, 470404, 588005, 662842, 855280, 940808, 1176010, 1325684, 1657105, 1881616, 2352020, 2651368, 3314210, 3645631, 4704040, 5302736, 6628420, 7291262, 9408080, 13256840, 14582524, 18228155, 26513680, 29165048, 36456310, 58330096, 72912620, 145825240, 291650480]

約数ペア:

[(1, 291650480), (2, 145825240), (4, 72912620), (5, 58330096), (8, 36456310), (10, 29165048), (11, 26513680), (16, 18228155), (20, 14582524), (22, 13256840), (31, 9408080), (40, 7291262), (44, 6628420), (55, 5302736), (62, 4704040), (80, 3645631), (88, 3314210), (110, 2651368), (124, 2352020), (155, 1881616), (176, 1657105), (220, 1325684), (248, 1176010), (310, 940808), (341, 855280), (440, 662842), (496, 588005), (620, 470404), (682, 427640), (880, 331421), (1240, 235202), (1364, 213820), (1705, 171056), (2480, 117601), (2728, 106910), (3410, 85528), (5456, 53455), (6820, 42764), (10691, 27280), (13640, 21382)]