40449970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 85349376

約数和(自身を除く): 44899406

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 170, 187, 194, 223, 374, 446, 485, 935, 970, 1067, 1115, 1649, 1870, 2134, 2230, 2453, 3298, 3791, 4906, 5335, 7582, 8245, 10670, 12265, 16490, 18139, 18955, 21631, 24530, 36278, 37910, 41701, 43262, 83402, 90695, 108155, 181390, 208505, 216310, 237941, 367727, 417010, 475882, 735454, 1189705, 1838635, 2379410, 3677270, 4044997, 8089994, 20224985, 40449970]

約数ペア:

[(1, 40449970), (2, 20224985), (5, 8089994), (10, 4044997), (11, 3677270), (17, 2379410), (22, 1838635), (34, 1189705), (55, 735454), (85, 475882), (97, 417010), (110, 367727), (170, 237941), (187, 216310), (194, 208505), (223, 181390), (374, 108155), (446, 90695), (485, 83402), (935, 43262), (970, 41701), (1067, 37910), (1115, 36278), (1649, 24530), (1870, 21631), (2134, 18955), (2230, 18139), (2453, 16490), (3298, 12265), (3791, 10670), (4906, 8245), (5335, 7582)]