30686140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 70801920

約数和(自身を除く): 40115780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3511, 4370, 7022, 8740, 14044, 17555, 35110, 66709, 70220, 80753, 133418, 161506, 266836, 323012, 333545, 403765, 667090, 807530, 1334180, 1534307, 1615060, 3068614, 6137228, 7671535, 15343070, 30686140]

約数ペア:

[(1, 30686140), (2, 15343070), (4, 7671535), (5, 6137228), (10, 3068614), (19, 1615060), (20, 1534307), (23, 1334180), (38, 807530), (46, 667090), (76, 403765), (92, 333545), (95, 323012), (115, 266836), (190, 161506), (230, 133418), (380, 80753), (437, 70220), (460, 66709), (874, 35110), (1748, 17555), (2185, 14044), (3511, 8740), (4370, 7022)]