313313660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{3967}}^1$

素因数の和:4346

約数の個数: 48

約数和(自身を含む): 719953920

約数和(自身を除く): 406640260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 3590, 3949, 3967, 7180, 7898, 7934, 15796, 15868, 19745, 19835, 39490, 39670, 43637, 78980, 79340, 87274, 174548, 218185, 436370, 872740, 1424153, 2848306, 5696612, 7120765, 14241530, 15665683, 28483060, 31331366, 62662732, 78328415, 156656830, 313313660]

約数ペア:

[(1, 313313660), (2, 156656830), (4, 78328415), (5, 62662732), (10, 31331366), (11, 28483060), (20, 15665683), (22, 14241530), (44, 7120765), (55, 5696612), (110, 2848306), (220, 1424153), (359, 872740), (718, 436370), (1436, 218185), (1795, 174548), (3590, 87274), (3949, 79340), (3967, 78980), (7180, 43637), (7898, 39670), (7934, 39490), (15796, 19835), (15868, 19745)]