31484780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 68589696

約数和(自身を除く): 37104916

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 271, 314, 370, 542, 628, 740, 785, 1084, 1355, 1570, 2710, 3140, 5420, 5809, 10027, 11618, 20054, 23236, 29045, 40108, 42547, 50135, 58090, 85094, 100270, 116180, 170188, 200540, 212735, 425470, 850940, 1574239, 3148478, 6296956, 7871195, 15742390, 31484780]

約数ペア:

[(1, 31484780), (2, 15742390), (4, 7871195), (5, 6296956), (10, 3148478), (20, 1574239), (37, 850940), (74, 425470), (148, 212735), (157, 200540), (185, 170188), (271, 116180), (314, 100270), (370, 85094), (542, 58090), (628, 50135), (740, 42547), (785, 40108), (1084, 29045), (1355, 23236), (1570, 20054), (2710, 11618), (3140, 10027), (5420, 5809)]