31183780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 71060976

約数和(自身を除く): 39877196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2237, 2788, 3485, 4474, 6970, 8948, 11185, 13940, 22370, 38029, 44740, 76058, 91717, 152116, 183434, 190145, 366868, 380290, 458585, 760580, 917170, 1559189, 1834340, 3118378, 6236756, 7795945, 15591890, 31183780]

約数ペア:

[(1, 31183780), (2, 15591890), (4, 7795945), (5, 6236756), (10, 3118378), (17, 1834340), (20, 1559189), (34, 917170), (41, 760580), (68, 458585), (82, 380290), (85, 366868), (164, 190145), (170, 183434), (205, 152116), (340, 91717), (410, 76058), (697, 44740), (820, 38029), (1394, 22370), (2237, 13940), (2788, 11185), (3485, 8948), (4474, 6970)]