13183940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 35163072

約数和(自身を除く): 21979132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1223, 1540, 2156, 2446, 2695, 4892, 5390, 6115, 8561, 10780, 12230, 13453, 17122, 24460, 26906, 34244, 42805, 53812, 59927, 67265, 85610, 94171, 119854, 134530, 171220, 188342, 239708, 269060, 299635, 376684, 470855, 599270, 659197, 941710, 1198540, 1318394, 1883420, 2636788, 3295985, 6591970, 13183940]

約数ペア:

[(1, 13183940), (2, 6591970), (4, 3295985), (5, 2636788), (7, 1883420), (10, 1318394), (11, 1198540), (14, 941710), (20, 659197), (22, 599270), (28, 470855), (35, 376684), (44, 299635), (49, 269060), (55, 239708), (70, 188342), (77, 171220), (98, 134530), (110, 119854), (140, 94171), (154, 85610), (196, 67265), (220, 59927), (245, 53812), (308, 42805), (385, 34244), (490, 26906), (539, 24460), (770, 17122), (980, 13453), (1078, 12230), (1223, 10780), (1540, 8561), (2156, 6115), (2446, 5390), (2695, 4892)]