828888940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{4021}}^1$

素因数の和:4978

約数の個数: 48

約数和(自身を含む): 1901408544

約数和(自身を除く): 1072519604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 937, 1874, 3748, 4021, 4685, 8042, 9370, 10307, 16084, 18740, 20105, 20614, 40210, 41228, 44231, 51535, 80420, 88462, 103070, 176924, 206140, 221155, 442310, 884620, 3767677, 7535354, 15070708, 18838385, 37676770, 41444447, 75353540, 82888894, 165777788, 207222235, 414444470, 828888940]

約数ペア:

[(1, 828888940), (2, 414444470), (4, 207222235), (5, 165777788), (10, 82888894), (11, 75353540), (20, 41444447), (22, 37676770), (44, 18838385), (55, 15070708), (110, 7535354), (220, 3767677), (937, 884620), (1874, 442310), (3748, 221155), (4021, 206140), (4685, 176924), (8042, 103070), (9370, 88462), (10307, 80420), (16084, 51535), (18740, 44231), (20105, 41228), (20614, 40210)]