2009477500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{11321}}^1$

素因数の和:11416

約数の個数: 60

約数和(自身を含む): 4456610928

約数和(自身を除く): 2447133428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1775, 2500, 3550, 7100, 8875, 11321, 17750, 22642, 35500, 44375, 45284, 56605, 88750, 113210, 177500, 226420, 283025, 566050, 803791, 1132100, 1415125, 1607582, 2830250, 3215164, 4018955, 5660500, 7075625, 8037910, 14151250, 16075820, 20094775, 28302500, 40189550, 80379100, 100473875, 200947750, 401895500, 502369375, 1004738750, 2009477500]

約数ペア:

[(1, 2009477500), (2, 1004738750), (4, 502369375), (5, 401895500), (10, 200947750), (20, 100473875), (25, 80379100), (50, 40189550), (71, 28302500), (100, 20094775), (125, 16075820), (142, 14151250), (250, 8037910), (284, 7075625), (355, 5660500), (500, 4018955), (625, 3215164), (710, 2830250), (1250, 1607582), (1420, 1415125), (1775, 1132100), (2500, 803791), (3550, 566050), (7100, 283025), (8875, 226420), (11321, 177500), (17750, 113210), (22642, 88750), (35500, 56605), (44375, 45284)]