331328380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{8597}}^1$

素因数の和:8694

約数の個数: 48

約数和(自身を含む): 728009856

約数和(自身を除く): 396681476

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 8597, 9635, 17194, 19270, 34388, 38540, 42985, 85970, 171940, 352477, 404059, 704954, 808118, 1409908, 1616236, 1762385, 2020295, 3524770, 4040590, 7049540, 8081180, 16566419, 33132838, 66265676, 82832095, 165664190, 331328380]

約数ペア:

[(1, 331328380), (2, 165664190), (4, 82832095), (5, 66265676), (10, 33132838), (20, 16566419), (41, 8081180), (47, 7049540), (82, 4040590), (94, 3524770), (164, 2020295), (188, 1762385), (205, 1616236), (235, 1409908), (410, 808118), (470, 704954), (820, 404059), (940, 352477), (1927, 171940), (3854, 85970), (7708, 42985), (8597, 38540), (9635, 34388), (17194, 19270)]