85709140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 200291616

約数和(自身を除く): 114582476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 331, 428, 484, 535, 605, 662, 1070, 1177, 1210, 1324, 1655, 2140, 2354, 2420, 3310, 3641, 4708, 5885, 6620, 7282, 11770, 12947, 14564, 18205, 23540, 25894, 35417, 36410, 40051, 51788, 64735, 70834, 72820, 80102, 129470, 141668, 160204, 177085, 200255, 258940, 354170, 389587, 400510, 708340, 779174, 801020, 1558348, 1947935, 3895870, 4285457, 7791740, 8570914, 17141828, 21427285, 42854570, 85709140]

約数ペア:

[(1, 85709140), (2, 42854570), (4, 21427285), (5, 17141828), (10, 8570914), (11, 7791740), (20, 4285457), (22, 3895870), (44, 1947935), (55, 1558348), (107, 801020), (110, 779174), (121, 708340), (214, 400510), (220, 389587), (242, 354170), (331, 258940), (428, 200255), (484, 177085), (535, 160204), (605, 141668), (662, 129470), (1070, 80102), (1177, 72820), (1210, 70834), (1324, 64735), (1655, 51788), (2140, 40051), (2354, 36410), (2420, 35417), (3310, 25894), (3641, 23540), (4708, 18205), (5885, 14564), (6620, 12947), (7282, 11770)]