291317180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 796340160

約数和(自身を除く): 505022980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 121, 140, 145, 154, 203, 220, 242, 290, 308, 319, 385, 406, 484, 580, 593, 605, 638, 770, 812, 847, 1015, 1186, 1210, 1276, 1540, 1595, 1694, 2030, 2233, 2372, 2420, 2965, 3190, 3388, 3509, 4060, 4151, 4235, 4466, 5930, 6380, 6523, 7018, 8302, 8470, 8932, 11165, 11860, 13046, 14036, 16604, 16940, 17197, 17545, 20755, 22330, 24563, 26092, 32615, 34394, 35090, 41510, 44660, 45661, 49126, 65230, 68788, 70180, 71753, 83020, 85985, 91322, 98252, 120379, 122815, 130460, 143506, 171970, 182644, 189167, 228305, 240758, 245630, 287012, 343940, 358765, 378334, 456610, 481516, 491260, 502271, 601895, 717530, 756668, 913220, 945835, 1004542, 1203790, 1324169, 1435060, 1891670, 2009084, 2080837, 2407580, 2511355, 2648338, 3783340, 4161674, 5022710, 5296676, 6620845, 8323348, 10045420, 10404185, 13241690, 14565859, 20808370, 26483380, 29131718, 41616740, 58263436, 72829295, 145658590, 291317180]

約数ペア:

[(1, 291317180), (2, 145658590), (4, 72829295), (5, 58263436), (7, 41616740), (10, 29131718), (11, 26483380), (14, 20808370), (20, 14565859), (22, 13241690), (28, 10404185), (29, 10045420), (35, 8323348), (44, 6620845), (55, 5296676), (58, 5022710), (70, 4161674), (77, 3783340), (110, 2648338), (116, 2511355), (121, 2407580), (140, 2080837), (145, 2009084), (154, 1891670), (203, 1435060), (220, 1324169), (242, 1203790), (290, 1004542), (308, 945835), (319, 913220), (385, 756668), (406, 717530), (484, 601895), (580, 502271), (593, 491260), (605, 481516), (638, 456610), (770, 378334), (812, 358765), (847, 343940), (1015, 287012), (1186, 245630), (1210, 240758), (1276, 228305), (1540, 189167), (1595, 182644), (1694, 171970), (2030, 143506), (2233, 130460), (2372, 122815), (2420, 120379), (2965, 98252), (3190, 91322), (3388, 85985), (3509, 83020), (4060, 71753), (4151, 70180), (4235, 68788), (4466, 65230), (5930, 49126), (6380, 45661), (6523, 44660), (7018, 41510), (8302, 35090), (8470, 34394), (8932, 32615), (11165, 26092), (11860, 24563), (13046, 22330), (14036, 20755), (16604, 17545), (16940, 17197)]