71460140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 158699520

約数和(自身を除く): 87239380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 491, 766, 982, 1532, 1915, 1964, 2455, 3830, 4910, 7277, 7660, 9329, 9820, 14554, 18658, 29108, 36385, 37316, 46645, 72770, 93290, 145540, 186580, 188053, 376106, 752212, 940265, 1880530, 3573007, 3761060, 7146014, 14292028, 17865035, 35730070, 71460140]

約数ペア:

[(1, 71460140), (2, 35730070), (4, 17865035), (5, 14292028), (10, 7146014), (19, 3761060), (20, 3573007), (38, 1880530), (76, 940265), (95, 752212), (190, 376106), (380, 188053), (383, 186580), (491, 145540), (766, 93290), (982, 72770), (1532, 46645), (1915, 37316), (1964, 36385), (2455, 29108), (3830, 18658), (4910, 14554), (7277, 9820), (7660, 9329)]