2220146875

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 3110425920

約数和(自身を除く): 890279045

約数列:

[1, 5, 17, 23, 25, 79, 85, 115, 125, 391, 395, 425, 529, 575, 625, 1343, 1817, 1955, 1975, 2125, 2645, 2875, 3125, 6715, 8993, 9085, 9775, 9875, 10625, 13225, 14375, 30889, 33575, 41791, 44965, 45425, 48875, 49375, 53125, 66125, 71875, 154445, 167875, 208955, 224825, 227125, 244375, 246875, 330625, 710447, 772225, 839375, 1044775, 1124125, 1135625, 1221875, 1653125, 3552235, 3861125, 4196875, 5223875, 5620625, 5678125, 17761175, 19305625, 26119375, 28103125, 88805875, 96528125, 130596875, 444029375, 2220146875]

約数ペア:

[(1, 2220146875), (5, 444029375), (17, 130596875), (23, 96528125), (25, 88805875), (79, 28103125), (85, 26119375), (115, 19305625), (125, 17761175), (391, 5678125), (395, 5620625), (425, 5223875), (529, 4196875), (575, 3861125), (625, 3552235), (1343, 1653125), (1817, 1221875), (1955, 1135625), (1975, 1124125), (2125, 1044775), (2645, 839375), (2875, 772225), (3125, 710447), (6715, 330625), (8993, 246875), (9085, 244375), (9775, 227125), (9875, 224825), (10625, 208955), (13225, 167875), (14375, 154445), (30889, 71875), (33575, 66125), (41791, 53125), (44965, 49375), (45425, 48875)]