321738340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 846091008

約数和(自身を除く): 524352668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 401, 521, 770, 802, 1042, 1540, 1604, 2005, 2084, 2605, 2807, 3647, 4010, 4411, 5210, 5614, 5731, 7294, 8020, 8822, 10420, 11228, 11462, 14035, 14588, 17644, 18235, 22055, 22924, 28070, 28655, 30877, 36470, 40117, 44110, 56140, 57310, 61754, 72940, 80234, 88220, 114620, 123508, 154385, 160468, 200585, 208921, 308770, 401170, 417842, 617540, 802340, 835684, 1044605, 1462447, 2089210, 2298131, 2924894, 4178420, 4596262, 5849788, 7312235, 9192524, 11490655, 14624470, 16086917, 22981310, 29248940, 32173834, 45962620, 64347668, 80434585, 160869170, 321738340]

約数ペア:

[(1, 321738340), (2, 160869170), (4, 80434585), (5, 64347668), (7, 45962620), (10, 32173834), (11, 29248940), (14, 22981310), (20, 16086917), (22, 14624470), (28, 11490655), (35, 9192524), (44, 7312235), (55, 5849788), (70, 4596262), (77, 4178420), (110, 2924894), (140, 2298131), (154, 2089210), (220, 1462447), (308, 1044605), (385, 835684), (401, 802340), (521, 617540), (770, 417842), (802, 401170), (1042, 308770), (1540, 208921), (1604, 200585), (2005, 160468), (2084, 154385), (2605, 123508), (2807, 114620), (3647, 88220), (4010, 80234), (4411, 72940), (5210, 61754), (5614, 57310), (5731, 56140), (7294, 44110), (8020, 40117), (8822, 36470), (10420, 30877), (11228, 28655), (11462, 28070), (14035, 22924), (14588, 22055), (17644, 18235)]