333680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 802032

約数和(自身を除く): 468352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 344, 388, 430, 485, 688, 776, 860, 970, 1552, 1720, 1940, 3440, 3880, 4171, 7760, 8342, 16684, 20855, 33368, 41710, 66736, 83420, 166840, 333680]

約数ペア:

[(1, 333680), (2, 166840), (4, 83420), (5, 66736), (8, 41710), (10, 33368), (16, 20855), (20, 16684), (40, 8342), (43, 7760), (80, 4171), (86, 3880), (97, 3440), (172, 1940), (194, 1720), (215, 1552), (344, 970), (388, 860), (430, 776), (485, 688)]