57898760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 132783300

約数和(自身を除く): 74884540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 389, 488, 610, 778, 1220, 1556, 1945, 2440, 3112, 3721, 3890, 7442, 7780, 14884, 15560, 18605, 23729, 29768, 37210, 47458, 74420, 94916, 118645, 148840, 189832, 237290, 474580, 949160, 1447469, 2894938, 5789876, 7237345, 11579752, 14474690, 28949380, 57898760]

約数ペア:

[(1, 57898760), (2, 28949380), (4, 14474690), (5, 11579752), (8, 7237345), (10, 5789876), (20, 2894938), (40, 1447469), (61, 949160), (122, 474580), (244, 237290), (305, 189832), (389, 148840), (488, 118645), (610, 94916), (778, 74420), (1220, 47458), (1556, 37210), (1945, 29768), (2440, 23729), (3112, 18605), (3721, 15560), (3890, 14884), (7442, 7780)]