31804360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1171}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 82696320

約数和(自身を除く): 50891960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1171, 1358, 1940, 2342, 2716, 3395, 3880, 4684, 5432, 5855, 6790, 8197, 9368, 11710, 13580, 16394, 23420, 27160, 32788, 40985, 46840, 65576, 81970, 113587, 163940, 227174, 327880, 454348, 567935, 795109, 908696, 1135870, 1590218, 2271740, 3180436, 3975545, 4543480, 6360872, 7951090, 15902180, 31804360]

約数ペア:

[(1, 31804360), (2, 15902180), (4, 7951090), (5, 6360872), (7, 4543480), (8, 3975545), (10, 3180436), (14, 2271740), (20, 1590218), (28, 1135870), (35, 908696), (40, 795109), (56, 567935), (70, 454348), (97, 327880), (140, 227174), (194, 163940), (280, 113587), (388, 81970), (485, 65576), (679, 46840), (776, 40985), (970, 32788), (1171, 27160), (1358, 23420), (1940, 16394), (2342, 13580), (2716, 11710), (3395, 9368), (3880, 8197), (4684, 6790), (5432, 5855)]