811870180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{11149}}^1$

素因数の和:11500

約数の個数: 48

約数和(自身を含む): 1865707200

約数和(自身を除く): 1053837020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1324, 1655, 3310, 3641, 6620, 7282, 11149, 14564, 18205, 22298, 36410, 44596, 55745, 72820, 111490, 122639, 222980, 245278, 490556, 613195, 1226390, 2452780, 3690319, 7380638, 14761276, 18451595, 36903190, 40593509, 73806380, 81187018, 162374036, 202967545, 405935090, 811870180]

約数ペア:

[(1, 811870180), (2, 405935090), (4, 202967545), (5, 162374036), (10, 81187018), (11, 73806380), (20, 40593509), (22, 36903190), (44, 18451595), (55, 14761276), (110, 7380638), (220, 3690319), (331, 2452780), (662, 1226390), (1324, 613195), (1655, 490556), (3310, 245278), (3641, 222980), (6620, 122639), (7282, 111490), (11149, 72820), (14564, 55745), (18205, 44596), (22298, 36410)]