391172940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2173183}}^1$

素因数の和:2173198

約数の個数: 36

約数和(自身を含む): 1186558464

約数和(自身を除く): 795385524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2173183, 4346366, 6519549, 8692732, 10865915, 13039098, 19558647, 21731830, 26078196, 32597745, 39117294, 43463660, 65195490, 78234588, 97793235, 130390980, 195586470, 391172940]

約数ペア:

[(1, 391172940), (2, 195586470), (3, 130390980), (4, 97793235), (5, 78234588), (6, 65195490), (9, 43463660), (10, 39117294), (12, 32597745), (15, 26078196), (18, 21731830), (20, 19558647), (30, 13039098), (36, 10865915), (45, 8692732), (60, 6519549), (90, 4346366), (180, 2173183)]