207733420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 447971328

約数和(自身を除く): 240237908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 892, 940, 991, 1115, 1982, 2230, 3964, 4460, 4955, 9910, 10481, 19820, 20962, 41924, 46577, 52405, 93154, 104810, 186308, 209620, 220993, 232885, 441986, 465770, 883972, 931540, 1104965, 2209930, 4419860, 10386671, 20773342, 41546684, 51933355, 103866710, 207733420]

約数ペア:

[(1, 207733420), (2, 103866710), (4, 51933355), (5, 41546684), (10, 20773342), (20, 10386671), (47, 4419860), (94, 2209930), (188, 1104965), (223, 931540), (235, 883972), (446, 465770), (470, 441986), (892, 232885), (940, 220993), (991, 209620), (1115, 186308), (1982, 104810), (2230, 93154), (3964, 52405), (4460, 46577), (4955, 41924), (9910, 20962), (10481, 19820)]