8825740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 23327136

約数和(自身を除く): 14501396

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, 521, 605, 770, 847, 1042, 1210, 1540, 1694, 2084, 2420, 2605, 3388, 3647, 4235, 5210, 5731, 7294, 8470, 10420, 11462, 14588, 16940, 18235, 22924, 28655, 36470, 40117, 57310, 63041, 72940, 80234, 114620, 126082, 160468, 200585, 252164, 315205, 401170, 441287, 630410, 802340, 882574, 1260820, 1765148, 2206435, 4412870, 8825740]

約数ペア:

[(1, 8825740), (2, 4412870), (4, 2206435), (5, 1765148), (7, 1260820), (10, 882574), (11, 802340), (14, 630410), (20, 441287), (22, 401170), (28, 315205), (35, 252164), (44, 200585), (55, 160468), (70, 126082), (77, 114620), (110, 80234), (121, 72940), (140, 63041), (154, 57310), (220, 40117), (242, 36470), (308, 28655), (385, 22924), (484, 18235), (521, 16940), (605, 14588), (770, 11462), (847, 10420), (1042, 8470), (1210, 7294), (1540, 5731), (1694, 5210), (2084, 4235), (2420, 3647), (2605, 3388)]