201700840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{823}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 496575360

約数和(自身を除く): 294874520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 557, 823, 1114, 1646, 2228, 2785, 3292, 4115, 4456, 5570, 6127, 6584, 8230, 9053, 11140, 12254, 16460, 18106, 22280, 24508, 30635, 32920, 36212, 45265, 49016, 61270, 72424, 90530, 122540, 181060, 245080, 362120, 458411, 916822, 1833644, 2292055, 3667288, 4584110, 5042521, 9168220, 10085042, 18336440, 20170084, 25212605, 40340168, 50425210, 100850420, 201700840]

約数ペア:

[(1, 201700840), (2, 100850420), (4, 50425210), (5, 40340168), (8, 25212605), (10, 20170084), (11, 18336440), (20, 10085042), (22, 9168220), (40, 5042521), (44, 4584110), (55, 3667288), (88, 2292055), (110, 1833644), (220, 916822), (440, 458411), (557, 362120), (823, 245080), (1114, 181060), (1646, 122540), (2228, 90530), (2785, 72424), (3292, 61270), (4115, 49016), (4456, 45265), (5570, 36212), (6127, 32920), (6584, 30635), (8230, 24508), (9053, 22280), (11140, 18106), (12254, 16460)]