211038340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26987}}^1$

素因数の和:27036

約数の個数: 48

約数和(自身を含む): 489670272

約数和(自身を除く): 278631932

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 26987, 53974, 107948, 134935, 269870, 458779, 539740, 620701, 917558, 1241402, 1835116, 2293895, 2482804, 3103505, 4587790, 6207010, 9175580, 10551917, 12414020, 21103834, 42207668, 52759585, 105519170, 211038340]

約数ペア:

[(1, 211038340), (2, 105519170), (4, 52759585), (5, 42207668), (10, 21103834), (17, 12414020), (20, 10551917), (23, 9175580), (34, 6207010), (46, 4587790), (68, 3103505), (85, 2482804), (92, 2293895), (115, 1835116), (170, 1241402), (230, 917558), (340, 620701), (391, 539740), (460, 458779), (782, 269870), (1564, 134935), (1955, 107948), (3910, 53974), (7820, 26987)]