28751260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 63221760

約数和(自身を除く): 34470500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 587, 620, 790, 1174, 1580, 2348, 2449, 2935, 4898, 5870, 9796, 11740, 12245, 18197, 24490, 36394, 46373, 48980, 72788, 90985, 92746, 181970, 185492, 231865, 363940, 463730, 927460, 1437563, 2875126, 5750252, 7187815, 14375630, 28751260]

約数ペア:

[(1, 28751260), (2, 14375630), (4, 7187815), (5, 5750252), (10, 2875126), (20, 1437563), (31, 927460), (62, 463730), (79, 363940), (124, 231865), (155, 185492), (158, 181970), (310, 92746), (316, 90985), (395, 72788), (587, 48980), (620, 46373), (790, 36394), (1174, 24490), (1580, 18197), (2348, 12245), (2449, 11740), (2935, 9796), (4898, 5870)]