72277940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 178228512

約数和(自身を除く): 105950572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 563, 655, 917, 980, 1126, 1310, 1834, 2252, 2620, 2815, 3668, 3941, 4585, 5630, 6419, 7882, 9170, 11260, 12838, 15764, 18340, 19705, 25676, 27587, 32095, 39410, 55174, 64190, 73753, 78820, 110348, 128380, 137935, 147506, 275870, 295012, 368765, 516271, 551740, 737530, 1032542, 1475060, 2065084, 2581355, 3613897, 5162710, 7227794, 10325420, 14455588, 18069485, 36138970, 72277940]

約数ペア:

[(1, 72277940), (2, 36138970), (4, 18069485), (5, 14455588), (7, 10325420), (10, 7227794), (14, 5162710), (20, 3613897), (28, 2581355), (35, 2065084), (49, 1475060), (70, 1032542), (98, 737530), (131, 551740), (140, 516271), (196, 368765), (245, 295012), (262, 275870), (490, 147506), (524, 137935), (563, 128380), (655, 110348), (917, 78820), (980, 73753), (1126, 64190), (1310, 55174), (1834, 39410), (2252, 32095), (2620, 27587), (2815, 25676), (3668, 19705), (3941, 18340), (4585, 15764), (5630, 12838), (6419, 11260), (7882, 9170)]