418901588

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 903782880

約数和(自身を除く): 484881292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 197, 266, 394, 532, 571, 788, 931, 1142, 1379, 1862, 2284, 2758, 3724, 3743, 3997, 5516, 7486, 7994, 9653, 10849, 14972, 15988, 19306, 21698, 26201, 27979, 38612, 43396, 52402, 55958, 75943, 104804, 111916, 112487, 151886, 183407, 224974, 303772, 366814, 449948, 531601, 733628, 787409, 1063202, 1574818, 2126404, 2137253, 3149636, 4274506, 5511863, 8549012, 11023726, 14960771, 22047452, 29921542, 59843084, 104725397, 209450794, 418901588]

約数ペア:

[(1, 418901588), (2, 209450794), (4, 104725397), (7, 59843084), (14, 29921542), (19, 22047452), (28, 14960771), (38, 11023726), (49, 8549012), (76, 5511863), (98, 4274506), (133, 3149636), (196, 2137253), (197, 2126404), (266, 1574818), (394, 1063202), (532, 787409), (571, 733628), (788, 531601), (931, 449948), (1142, 366814), (1379, 303772), (1862, 224974), (2284, 183407), (2758, 151886), (3724, 112487), (3743, 111916), (3997, 104804), (5516, 75943), (7486, 55958), (7994, 52402), (9653, 43396), (10849, 38612), (14972, 27979), (15988, 26201), (19306, 21698)]