209640912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2417}}^1$

素因数の和:2580

約数の個数: 80

約数和(自身を含む): 587670720

約数和(自身を除く): 378029808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 278, 312, 417, 556, 624, 834, 1112, 1668, 1807, 2224, 2417, 3336, 3614, 4834, 5421, 6672, 7228, 7251, 9668, 10842, 14456, 14502, 19336, 21684, 28912, 29004, 31421, 38672, 43368, 58008, 62842, 86736, 94263, 116016, 125684, 188526, 251368, 335963, 377052, 502736, 671926, 754104, 1007889, 1343852, 1508208, 2015778, 2687704, 4031556, 4367519, 5375408, 8063112, 8735038, 13102557, 16126224, 17470076, 26205114, 34940152, 52410228, 69880304, 104820456, 209640912]

約数ペア:

[(1, 209640912), (2, 104820456), (3, 69880304), (4, 52410228), (6, 34940152), (8, 26205114), (12, 17470076), (13, 16126224), (16, 13102557), (24, 8735038), (26, 8063112), (39, 5375408), (48, 4367519), (52, 4031556), (78, 2687704), (104, 2015778), (139, 1508208), (156, 1343852), (208, 1007889), (278, 754104), (312, 671926), (417, 502736), (556, 377052), (624, 335963), (834, 251368), (1112, 188526), (1668, 125684), (1807, 116016), (2224, 94263), (2417, 86736), (3336, 62842), (3614, 58008), (4834, 43368), (5421, 38672), (6672, 31421), (7228, 29004), (7251, 28912), (9668, 21684), (10842, 19336), (14456, 14502)]