818136830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{3769}}^1$

素因数の和:4233

約数の個数: 48

約数和(自身を含む): 1717400880

約数和(自身を除く): 899264050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 443, 490, 886, 2215, 3101, 3769, 4430, 6202, 7538, 15505, 18845, 21707, 26383, 31010, 37690, 43414, 52766, 108535, 131915, 184681, 217070, 263830, 369362, 923405, 1669667, 1846810, 3339334, 8348335, 11687669, 16696670, 23375338, 58438345, 81813683, 116876690, 163627366, 409068415, 818136830]

約数ペア:

[(1, 818136830), (2, 409068415), (5, 163627366), (7, 116876690), (10, 81813683), (14, 58438345), (35, 23375338), (49, 16696670), (70, 11687669), (98, 8348335), (245, 3339334), (443, 1846810), (490, 1669667), (886, 923405), (2215, 369362), (3101, 263830), (3769, 217070), (4430, 184681), (6202, 131915), (7538, 108535), (15505, 52766), (18845, 43414), (21707, 37690), (26383, 31010)]