388332560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 160

約数和(自身を含む): 1137141504

約数和(自身を除く): 748808944

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 521, 560, 605, 616, 770, 847, 880, 968, 1042, 1210, 1232, 1331, 1540, 1694, 1936, 2084, 2420, 2605, 2662, 3080, 3388, 3647, 4168, 4235, 4840, 5210, 5324, 5731, 6160, 6655, 6776, 7294, 8336, 8470, 9317, 9680, 10420, 10648, 11462, 13310, 13552, 14588, 16940, 18235, 18634, 20840, 21296, 22924, 26620, 28655, 29176, 33880, 36470, 37268, 40117, 41680, 45848, 46585, 53240, 57310, 58352, 63041, 67760, 72940, 74536, 80234, 91696, 93170, 106480, 114620, 126082, 145880, 149072, 160468, 186340, 200585, 229240, 252164, 291760, 315205, 320936, 372680, 401170, 441287, 458480, 504328, 630410, 641872, 693451, 745360, 802340, 882574, 1008656, 1260820, 1386902, 1604680, 1765148, 2206435, 2521640, 2773804, 3209360, 3467255, 3530296, 4412870, 4854157, 5043280, 5547608, 6934510, 7060592, 8825740, 9708314, 11095216, 13869020, 17651480, 19416628, 24270785, 27738040, 35302960, 38833256, 48541570, 55476080, 77666512, 97083140, 194166280, 388332560]

約数ペア:

[(1, 388332560), (2, 194166280), (4, 97083140), (5, 77666512), (7, 55476080), (8, 48541570), (10, 38833256), (11, 35302960), (14, 27738040), (16, 24270785), (20, 19416628), (22, 17651480), (28, 13869020), (35, 11095216), (40, 9708314), (44, 8825740), (55, 7060592), (56, 6934510), (70, 5547608), (77, 5043280), (80, 4854157), (88, 4412870), (110, 3530296), (112, 3467255), (121, 3209360), (140, 2773804), (154, 2521640), (176, 2206435), (220, 1765148), (242, 1604680), (280, 1386902), (308, 1260820), (385, 1008656), (440, 882574), (484, 802340), (521, 745360), (560, 693451), (605, 641872), (616, 630410), (770, 504328), (847, 458480), (880, 441287), (968, 401170), (1042, 372680), (1210, 320936), (1232, 315205), (1331, 291760), (1540, 252164), (1694, 229240), (1936, 200585), (2084, 186340), (2420, 160468), (2605, 149072), (2662, 145880), (3080, 126082), (3388, 114620), (3647, 106480), (4168, 93170), (4235, 91696), (4840, 80234), (5210, 74536), (5324, 72940), (5731, 67760), (6160, 63041), (6655, 58352), (6776, 57310), (7294, 53240), (8336, 46585), (8470, 45848), (9317, 41680), (9680, 40117), (10420, 37268), (10648, 36470), (11462, 33880), (13310, 29176), (13552, 28655), (14588, 26620), (16940, 22924), (18235, 21296), (18634, 20840)]