31900220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 74003328

約数和(自身を除く): 42103108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1747, 1826, 3494, 3652, 4565, 6988, 8735, 9130, 17470, 18260, 19217, 34940, 38434, 76868, 96085, 145001, 192170, 290002, 384340, 580004, 725005, 1450010, 1595011, 2900020, 3190022, 6380044, 7975055, 15950110, 31900220]

約数ペア:

[(1, 31900220), (2, 15950110), (4, 7975055), (5, 6380044), (10, 3190022), (11, 2900020), (20, 1595011), (22, 1450010), (44, 725005), (55, 580004), (83, 384340), (110, 290002), (166, 192170), (220, 145001), (332, 96085), (415, 76868), (830, 38434), (913, 34940), (1660, 19217), (1747, 18260), (1826, 17470), (3494, 9130), (3652, 8735), (4565, 6988)]