31424600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 74124720

約数和(自身を除く): 42700120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2213, 2840, 3550, 4426, 7100, 8852, 11065, 14200, 17704, 22130, 44260, 55325, 88520, 110650, 157123, 221300, 314246, 442600, 628492, 785615, 1256984, 1571230, 3142460, 3928075, 6284920, 7856150, 15712300, 31424600]

約数ペア:

[(1, 31424600), (2, 15712300), (4, 7856150), (5, 6284920), (8, 3928075), (10, 3142460), (20, 1571230), (25, 1256984), (40, 785615), (50, 628492), (71, 442600), (100, 314246), (142, 221300), (200, 157123), (284, 110650), (355, 88520), (568, 55325), (710, 44260), (1420, 22130), (1775, 17704), (2213, 14200), (2840, 11065), (3550, 8852), (4426, 7100)]