320466860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{327007}}^1$

素因数の和:327030

約数の個数: 36

約数和(自身を含む): 782857152

約数和(自身を除く): 462390292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 327007, 654014, 1308028, 1635035, 2289049, 3270070, 4578098, 6540140, 9156196, 11445245, 16023343, 22890490, 32046686, 45780980, 64093372, 80116715, 160233430, 320466860]

約数ペア:

[(1, 320466860), (2, 160233430), (4, 80116715), (5, 64093372), (7, 45780980), (10, 32046686), (14, 22890490), (20, 16023343), (28, 11445245), (35, 9156196), (49, 6540140), (70, 4578098), (98, 3270070), (140, 2289049), (196, 1635035), (245, 1308028), (490, 654014), (980, 327007)]