79668820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4703}}^1$

素因数の和:4741

約数の個数: 72

約数和(自身を含む): 210212352

約数和(自身を除く): 130543532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 4703, 8470, 9406, 16940, 18812, 23515, 32921, 47030, 51733, 65842, 94060, 103466, 131684, 164605, 206932, 258665, 329210, 362131, 517330, 569063, 658420, 724262, 1034660, 1138126, 1448524, 1810655, 2276252, 2845315, 3621310, 3983441, 5690630, 7242620, 7966882, 11381260, 15933764, 19917205, 39834410, 79668820]

約数ペア:

[(1, 79668820), (2, 39834410), (4, 19917205), (5, 15933764), (7, 11381260), (10, 7966882), (11, 7242620), (14, 5690630), (20, 3983441), (22, 3621310), (28, 2845315), (35, 2276252), (44, 1810655), (55, 1448524), (70, 1138126), (77, 1034660), (110, 724262), (121, 658420), (140, 569063), (154, 517330), (220, 362131), (242, 329210), (308, 258665), (385, 206932), (484, 164605), (605, 131684), (770, 103466), (847, 94060), (1210, 65842), (1540, 51733), (1694, 47030), (2420, 32921), (3388, 23515), (4235, 18812), (4703, 16940), (8470, 9406)]