772051240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{448867}}^1$

素因数の和:448921

約数の個数: 32

約数和(自身を含む): 1777517280

約数和(自身を除く): 1005466040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 448867, 897734, 1795468, 2244335, 3590936, 4488670, 8977340, 17954680, 19301281, 38602562, 77205124, 96506405, 154410248, 193012810, 386025620, 772051240]

約数ペア:

[(1, 772051240), (2, 386025620), (4, 193012810), (5, 154410248), (8, 96506405), (10, 77205124), (20, 38602562), (40, 19301281), (43, 17954680), (86, 8977340), (172, 4488670), (215, 3590936), (344, 2244335), (430, 1795468), (860, 897734), (1720, 448867)]