42837140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 92461824

約数和(自身を除く): 49624684

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 311, 355, 388, 485, 622, 710, 970, 1244, 1420, 1555, 1940, 3110, 6220, 6887, 13774, 22081, 27548, 30167, 34435, 44162, 60334, 68870, 88324, 110405, 120668, 137740, 150835, 220810, 301670, 441620, 603340, 2141857, 4283714, 8567428, 10709285, 21418570, 42837140]

約数ペア:

[(1, 42837140), (2, 21418570), (4, 10709285), (5, 8567428), (10, 4283714), (20, 2141857), (71, 603340), (97, 441620), (142, 301670), (194, 220810), (284, 150835), (311, 137740), (355, 120668), (388, 110405), (485, 88324), (622, 68870), (710, 60334), (970, 44162), (1244, 34435), (1420, 30167), (1555, 27548), (1940, 22081), (3110, 13774), (6220, 6887)]