1998561620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1\times {\mathrm{5653}}^1$

素因数の和:7280

約数の個数: 48

約数和(自身を含む): 4582182528

約数和(自身を除く): 2583620908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1607, 3214, 5653, 6428, 8035, 11306, 16070, 17677, 22612, 28265, 32140, 35354, 56530, 62183, 70708, 88385, 113060, 124366, 176770, 248732, 310915, 353540, 621830, 1243660, 9084371, 18168742, 36337484, 45421855, 90843710, 99928081, 181687420, 199856162, 399712324, 499640405, 999280810, 1998561620]

約数ペア:

[(1, 1998561620), (2, 999280810), (4, 499640405), (5, 399712324), (10, 199856162), (11, 181687420), (20, 99928081), (22, 90843710), (44, 45421855), (55, 36337484), (110, 18168742), (220, 9084371), (1607, 1243660), (3214, 621830), (5653, 353540), (6428, 310915), (8035, 248732), (11306, 176770), (16070, 124366), (17677, 113060), (22612, 88385), (28265, 70708), (32140, 62183), (35354, 56530)]