328673380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{335381}}^1$

素因数の和:335404

約数の個数: 36

約数和(自身を含む): 802904508

約数和(自身を除く): 474231128

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 335381, 670762, 1341524, 1676905, 2347667, 3353810, 4695334, 6707620, 9390668, 11738335, 16433669, 23476670, 32867338, 46953340, 65734676, 82168345, 164336690, 328673380]

約数ペア:

[(1, 328673380), (2, 164336690), (4, 82168345), (5, 65734676), (7, 46953340), (10, 32867338), (14, 23476670), (20, 16433669), (28, 11738335), (35, 9390668), (49, 6707620), (70, 4695334), (98, 3353810), (140, 2347667), (196, 1676905), (245, 1341524), (490, 670762), (980, 335381)]