457840

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 1093680

約数和(自身を除く): 635840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 97, 118, 194, 236, 295, 388, 472, 485, 590, 776, 944, 970, 1180, 1552, 1940, 2360, 3880, 4720, 5723, 7760, 11446, 22892, 28615, 45784, 57230, 91568, 114460, 228920, 457840]

約数ペア:

[(1, 457840), (2, 228920), (4, 114460), (5, 91568), (8, 57230), (10, 45784), (16, 28615), (20, 22892), (40, 11446), (59, 7760), (80, 5723), (97, 4720), (118, 3880), (194, 2360), (236, 1940), (295, 1552), (388, 1180), (472, 970), (485, 944), (590, 776)]