271733420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{277279}}^1$

素因数の和:277302

約数の個数: 36

約数和(自身を含む): 663808320

約数和(自身を除く): 392074900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 277279, 554558, 1109116, 1386395, 1940953, 2772790, 3881906, 5545580, 7763812, 9704765, 13586671, 19409530, 27173342, 38819060, 54346684, 67933355, 135866710, 271733420]

約数ペア:

[(1, 271733420), (2, 135866710), (4, 67933355), (5, 54346684), (7, 38819060), (10, 27173342), (14, 19409530), (20, 13586671), (28, 9704765), (35, 7763812), (49, 5545580), (70, 3881906), (98, 2772790), (140, 1940953), (196, 1386395), (245, 1109116), (490, 554558), (980, 277279)]