408496732

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2631

約数の個数: 72

約数和(自身を含む): 896058240

約数和(自身を除く): 487561508

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2107, 2551, 3268, 3724, 4214, 5102, 5719, 8428, 10204, 11438, 17857, 22876, 35714, 40033, 48469, 71428, 80066, 96938, 109693, 124999, 160132, 193876, 219386, 249998, 339283, 438772, 499996, 678566, 767851, 1357132, 1535702, 2084167, 2374981, 3071404, 4168334, 4749962, 5374957, 8336668, 9499924, 10749914, 14589169, 21499828, 29178338, 58356676, 102124183, 204248366, 408496732]

約数ペア:

[(1, 408496732), (2, 204248366), (4, 102124183), (7, 58356676), (14, 29178338), (19, 21499828), (28, 14589169), (38, 10749914), (43, 9499924), (49, 8336668), (76, 5374957), (86, 4749962), (98, 4168334), (133, 3071404), (172, 2374981), (196, 2084167), (266, 1535702), (301, 1357132), (532, 767851), (602, 678566), (817, 499996), (931, 438772), (1204, 339283), (1634, 249998), (1862, 219386), (2107, 193876), (2551, 160132), (3268, 124999), (3724, 109693), (4214, 96938), (5102, 80066), (5719, 71428), (8428, 48469), (10204, 40033), (11438, 35714), (17857, 22876)]