204647740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 497645568

約数和(自身を除く): 292997828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 110, 124, 148, 155, 185, 220, 310, 341, 370, 407, 620, 682, 740, 811, 814, 1147, 1364, 1622, 1628, 1705, 2035, 2294, 3244, 3410, 4055, 4070, 4588, 5735, 6820, 8110, 8140, 8921, 11470, 12617, 16220, 17842, 22940, 25141, 25234, 30007, 35684, 44605, 50282, 50468, 60014, 63085, 89210, 100564, 120028, 125705, 126170, 150035, 178420, 251410, 252340, 276551, 300070, 330077, 502820, 553102, 600140, 660154, 930217, 1106204, 1320308, 1382755, 1650385, 1860434, 2765510, 3300770, 3720868, 4651085, 5531020, 6601540, 9302170, 10232387, 18604340, 20464774, 40929548, 51161935, 102323870, 204647740]

約数ペア:

[(1, 204647740), (2, 102323870), (4, 51161935), (5, 40929548), (10, 20464774), (11, 18604340), (20, 10232387), (22, 9302170), (31, 6601540), (37, 5531020), (44, 4651085), (55, 3720868), (62, 3300770), (74, 2765510), (110, 1860434), (124, 1650385), (148, 1382755), (155, 1320308), (185, 1106204), (220, 930217), (310, 660154), (341, 600140), (370, 553102), (407, 502820), (620, 330077), (682, 300070), (740, 276551), (811, 252340), (814, 251410), (1147, 178420), (1364, 150035), (1622, 126170), (1628, 125705), (1705, 120028), (2035, 100564), (2294, 89210), (3244, 63085), (3410, 60014), (4055, 50468), (4070, 50282), (4588, 44605), (5735, 35684), (6820, 30007), (8110, 25234), (8140, 25141), (8921, 22940), (11470, 17842), (12617, 16220)]