42811780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11447}}^1$

素因数の和:11484

約数の個数: 48

約数和(自身を含む): 103856256

約数和(自身を除く): 61044476

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, 3740, 11447, 22894, 45788, 57235, 114470, 125917, 194599, 228940, 251834, 389198, 503668, 629585, 778396, 972995, 1259170, 1945990, 2140589, 2518340, 3891980, 4281178, 8562356, 10702945, 21405890, 42811780]

約数ペア:

[(1, 42811780), (2, 21405890), (4, 10702945), (5, 8562356), (10, 4281178), (11, 3891980), (17, 2518340), (20, 2140589), (22, 1945990), (34, 1259170), (44, 972995), (55, 778396), (68, 629585), (85, 503668), (110, 389198), (170, 251834), (187, 228940), (220, 194599), (340, 125917), (374, 114470), (748, 57235), (935, 45788), (1870, 22894), (3740, 11447)]