31228660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 70788816

約数和(自身を除く): 39560156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1733, 1802, 3466, 3604, 4505, 6932, 8665, 9010, 17330, 18020, 29461, 34660, 58922, 91849, 117844, 147305, 183698, 294610, 367396, 459245, 589220, 918490, 1561433, 1836980, 3122866, 6245732, 7807165, 15614330, 31228660]

約数ペア:

[(1, 31228660), (2, 15614330), (4, 7807165), (5, 6245732), (10, 3122866), (17, 1836980), (20, 1561433), (34, 918490), (53, 589220), (68, 459245), (85, 367396), (106, 294610), (170, 183698), (212, 147305), (265, 117844), (340, 91849), (530, 58922), (901, 34660), (1060, 29461), (1733, 18020), (1802, 17330), (3466, 9010), (3604, 8665), (4505, 6932)]