51710820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123121}}^1$

素因数の和:123140

約数の個数: 48

約数和(自身を含む): 165475968

約数和(自身を除く): 113765148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123121, 246242, 369363, 492484, 615605, 738726, 861847, 1231210, 1477452, 1723694, 1846815, 2462420, 2585541, 3447388, 3693630, 4309235, 5171082, 7387260, 8618470, 10342164, 12927705, 17236940, 25855410, 51710820]

約数ペア:

[(1, 51710820), (2, 25855410), (3, 17236940), (4, 12927705), (5, 10342164), (6, 8618470), (7, 7387260), (10, 5171082), (12, 4309235), (14, 3693630), (15, 3447388), (20, 2585541), (21, 2462420), (28, 1846815), (30, 1723694), (35, 1477452), (42, 1231210), (60, 861847), (70, 738726), (84, 615605), (105, 492484), (140, 369363), (210, 246242), (420, 123121)]