7221940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 17527104

約数和(自身を除く): 10305164

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 1931, 3740, 3862, 7724, 9655, 19310, 21241, 32827, 38620, 42482, 65654, 84964, 106205, 131308, 164135, 212410, 328270, 361097, 424820, 656540, 722194, 1444388, 1805485, 3610970, 7221940]

約数ペア:

[(1, 7221940), (2, 3610970), (4, 1805485), (5, 1444388), (10, 722194), (11, 656540), (17, 424820), (20, 361097), (22, 328270), (34, 212410), (44, 164135), (55, 131308), (68, 106205), (85, 84964), (110, 65654), (170, 42482), (187, 38620), (220, 32827), (340, 21241), (374, 19310), (748, 9655), (935, 7724), (1870, 3862), (1931, 3740)]