422920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 970200

約数和(自身を除く): 547280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 109, 194, 218, 388, 436, 485, 545, 776, 872, 970, 1090, 1940, 2180, 3880, 4360, 10573, 21146, 42292, 52865, 84584, 105730, 211460, 422920]

約数ペア:

[(1, 422920), (2, 211460), (4, 105730), (5, 84584), (8, 52865), (10, 42292), (20, 21146), (40, 10573), (97, 4360), (109, 3880), (194, 2180), (218, 1940), (388, 1090), (436, 970), (485, 872), (545, 776)]