7639940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 96

約数和(自身を含む): 20659968

約数和(自身を除く): 13020028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 121, 140, 154, 164, 205, 220, 242, 287, 308, 385, 410, 451, 484, 574, 605, 770, 820, 847, 902, 1148, 1210, 1331, 1435, 1540, 1694, 1804, 2255, 2420, 2662, 2870, 3157, 3388, 4235, 4510, 4961, 5324, 5740, 6314, 6655, 8470, 9020, 9317, 9922, 12628, 13310, 15785, 16940, 18634, 19844, 24805, 26620, 31570, 34727, 37268, 46585, 49610, 54571, 63140, 69454, 93170, 99220, 109142, 138908, 173635, 186340, 218284, 272855, 347270, 381997, 545710, 694540, 763994, 1091420, 1527988, 1909985, 3819970, 7639940]

約数ペア:

[(1, 7639940), (2, 3819970), (4, 1909985), (5, 1527988), (7, 1091420), (10, 763994), (11, 694540), (14, 545710), (20, 381997), (22, 347270), (28, 272855), (35, 218284), (41, 186340), (44, 173635), (55, 138908), (70, 109142), (77, 99220), (82, 93170), (110, 69454), (121, 63140), (140, 54571), (154, 49610), (164, 46585), (205, 37268), (220, 34727), (242, 31570), (287, 26620), (308, 24805), (385, 19844), (410, 18634), (451, 16940), (484, 15785), (574, 13310), (605, 12628), (770, 9922), (820, 9317), (847, 9020), (902, 8470), (1148, 6655), (1210, 6314), (1331, 5740), (1435, 5324), (1540, 4961), (1694, 4510), (1804, 4235), (2255, 3388), (2420, 3157), (2662, 2870)]