31538200

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 74392560

約数和(自身を除く): 42854360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2221, 2840, 3550, 4442, 7100, 8884, 11105, 14200, 17768, 22210, 44420, 55525, 88840, 111050, 157691, 222100, 315382, 444200, 630764, 788455, 1261528, 1576910, 3153820, 3942275, 6307640, 7884550, 15769100, 31538200]

約数ペア:

[(1, 31538200), (2, 15769100), (4, 7884550), (5, 6307640), (8, 3942275), (10, 3153820), (20, 1576910), (25, 1261528), (40, 788455), (50, 630764), (71, 444200), (100, 315382), (142, 222100), (200, 157691), (284, 111050), (355, 88840), (568, 55525), (710, 44420), (1420, 22210), (1775, 17768), (2221, 14200), (2840, 11105), (3550, 8884), (4442, 7100)]