71677780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12401}}^1$

素因数の和:12444

約数の個数: 36

約数和(自身を含む): 159911388

約数和(自身を除く): 88233608

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12401, 24802, 49604, 62005, 124010, 210817, 248020, 421634, 843268, 1054085, 2108170, 3583889, 4216340, 7167778, 14335556, 17919445, 35838890, 71677780]

約数ペア:

[(1, 71677780), (2, 35838890), (4, 17919445), (5, 14335556), (10, 7167778), (17, 4216340), (20, 3583889), (34, 2108170), (68, 1054085), (85, 843268), (170, 421634), (289, 248020), (340, 210817), (578, 124010), (1156, 62005), (1445, 49604), (2890, 24802), (5780, 12401)]