636704060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{98561}}^1$

素因数の和:98606

約数の個数: 48

約数和(自身を含む): 1490257440

約数和(自身を除く): 853553380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 98561, 197122, 394244, 492805, 985610, 1675537, 1872659, 1971220, 3351074, 3745318, 6702148, 7490636, 8377685, 9363295, 16755370, 18726590, 31835203, 33510740, 37453180, 63670406, 127340812, 159176015, 318352030, 636704060]

約数ペア:

[(1, 636704060), (2, 318352030), (4, 159176015), (5, 127340812), (10, 63670406), (17, 37453180), (19, 33510740), (20, 31835203), (34, 18726590), (38, 16755370), (68, 9363295), (76, 8377685), (85, 7490636), (95, 6702148), (170, 3745318), (190, 3351074), (323, 1971220), (340, 1872659), (380, 1675537), (646, 985610), (1292, 492805), (1615, 394244), (3230, 197122), (6460, 98561)]