161728910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{1381}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 340303680

約数和(自身を除く): 178574770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 478, 490, 1195, 1381, 1673, 2390, 2762, 3346, 6905, 8365, 9667, 11711, 13810, 16730, 19334, 23422, 48335, 58555, 67669, 96670, 117110, 135338, 330059, 338345, 660118, 676690, 1650295, 2310413, 3300590, 4620826, 11552065, 16172891, 23104130, 32345782, 80864455, 161728910]

約数ペア:

[(1, 161728910), (2, 80864455), (5, 32345782), (7, 23104130), (10, 16172891), (14, 11552065), (35, 4620826), (49, 3300590), (70, 2310413), (98, 1650295), (239, 676690), (245, 660118), (478, 338345), (490, 330059), (1195, 135338), (1381, 117110), (1673, 96670), (2390, 67669), (2762, 58555), (3346, 48335), (6905, 23422), (8365, 19334), (9667, 16730), (11711, 13810)]