89077220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 192423168

約数和(自身を除く): 103345948

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 386, 470, 491, 772, 940, 965, 982, 1930, 1964, 2455, 3860, 4910, 9071, 9820, 18142, 23077, 36284, 45355, 46154, 90710, 92308, 94763, 115385, 181420, 189526, 230770, 379052, 461540, 473815, 947630, 1895260, 4453861, 8907722, 17815444, 22269305, 44538610, 89077220]

約数ペア:

[(1, 89077220), (2, 44538610), (4, 22269305), (5, 17815444), (10, 8907722), (20, 4453861), (47, 1895260), (94, 947630), (188, 473815), (193, 461540), (235, 379052), (386, 230770), (470, 189526), (491, 181420), (772, 115385), (940, 94763), (965, 92308), (982, 90710), (1930, 46154), (1964, 45355), (2455, 36284), (3860, 23077), (4910, 18142), (9071, 9820)]