340477870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 678813696

約数和(自身を除く): 338335826

約数列:

[1, 2, 5, 10, 17, 34, 43, 47, 85, 86, 94, 170, 215, 235, 430, 470, 731, 799, 991, 1462, 1598, 1982, 2021, 3655, 3995, 4042, 4955, 7310, 7990, 9910, 10105, 16847, 20210, 33694, 34357, 42613, 46577, 68714, 84235, 85226, 93154, 168470, 171785, 213065, 232885, 343570, 426130, 465770, 724421, 791809, 1448842, 1583618, 2002811, 3622105, 3959045, 4005622, 7244210, 7918090, 10014055, 20028110, 34047787, 68095574, 170238935, 340477870]

約数ペア:

[(1, 340477870), (2, 170238935), (5, 68095574), (10, 34047787), (17, 20028110), (34, 10014055), (43, 7918090), (47, 7244210), (85, 4005622), (86, 3959045), (94, 3622105), (170, 2002811), (215, 1583618), (235, 1448842), (430, 791809), (470, 724421), (731, 465770), (799, 426130), (991, 343570), (1462, 232885), (1598, 213065), (1982, 171785), (2021, 168470), (3655, 93154), (3995, 85226), (4042, 84235), (4955, 68714), (7310, 46577), (7990, 42613), (9910, 34357), (10105, 33694), (16847, 20210)]