87983140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1583}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 211825152

約数和(自身を除く): 123842012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1583, 1588, 1985, 2779, 3166, 3970, 5558, 6332, 7915, 7940, 11081, 11116, 13895, 15830, 22162, 27790, 31660, 44324, 55405, 55580, 110810, 221620, 628451, 1256902, 2513804, 3142255, 4399157, 6284510, 8798314, 12569020, 17596628, 21995785, 43991570, 87983140]

約数ペア:

[(1, 87983140), (2, 43991570), (4, 21995785), (5, 17596628), (7, 12569020), (10, 8798314), (14, 6284510), (20, 4399157), (28, 3142255), (35, 2513804), (70, 1256902), (140, 628451), (397, 221620), (794, 110810), (1583, 55580), (1588, 55405), (1985, 44324), (2779, 31660), (3166, 27790), (3970, 22162), (5558, 15830), (6332, 13895), (7915, 11116), (7940, 11081)]