31282600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 73789920

約数和(自身を除く): 42507320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2203, 2840, 3550, 4406, 7100, 8812, 11015, 14200, 17624, 22030, 44060, 55075, 88120, 110150, 156413, 220300, 312826, 440600, 625652, 782065, 1251304, 1564130, 3128260, 3910325, 6256520, 7820650, 15641300, 31282600]

約数ペア:

[(1, 31282600), (2, 15641300), (4, 7820650), (5, 6256520), (8, 3910325), (10, 3128260), (20, 1564130), (25, 1251304), (40, 782065), (50, 625652), (71, 440600), (100, 312826), (142, 220300), (200, 156413), (284, 110150), (355, 88120), (568, 55075), (710, 44060), (1420, 22030), (1775, 17624), (2203, 14200), (2840, 11015), (3550, 8812), (4406, 7100)]