206816260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 507911040

約数和(自身を除く): 301094780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 478, 490, 883, 956, 980, 1195, 1673, 1766, 2390, 3346, 3532, 4415, 4780, 6181, 6692, 8365, 8830, 11711, 12362, 16730, 17660, 23422, 24724, 30905, 33460, 43267, 46844, 58555, 61810, 86534, 117110, 123620, 173068, 211037, 216335, 234220, 422074, 432670, 844148, 865340, 1055185, 1477259, 2110370, 2954518, 4220740, 5909036, 7386295, 10340813, 14772590, 20681626, 29545180, 41363252, 51704065, 103408130, 206816260]

約数ペア:

[(1, 206816260), (2, 103408130), (4, 51704065), (5, 41363252), (7, 29545180), (10, 20681626), (14, 14772590), (20, 10340813), (28, 7386295), (35, 5909036), (49, 4220740), (70, 2954518), (98, 2110370), (140, 1477259), (196, 1055185), (239, 865340), (245, 844148), (478, 432670), (490, 422074), (883, 234220), (956, 216335), (980, 211037), (1195, 173068), (1673, 123620), (1766, 117110), (2390, 86534), (3346, 61810), (3532, 58555), (4415, 46844), (4780, 43267), (6181, 33460), (6692, 30905), (8365, 24724), (8830, 23422), (11711, 17660), (12362, 16730)]