287342020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{43669}}^1$

素因数の和:43732

約数の個数: 48

約数和(自身を含む): 704309760

約数和(自身を除く): 416967740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 43669, 87338, 174676, 218345, 305683, 436690, 611366, 873380, 1222732, 1528415, 2052443, 3056830, 4104886, 6113660, 8209772, 10262215, 14367101, 20524430, 28734202, 41048860, 57468404, 71835505, 143671010, 287342020]

約数ペア:

[(1, 287342020), (2, 143671010), (4, 71835505), (5, 57468404), (7, 41048860), (10, 28734202), (14, 20524430), (20, 14367101), (28, 10262215), (35, 8209772), (47, 6113660), (70, 4104886), (94, 3056830), (140, 2052443), (188, 1528415), (235, 1222732), (329, 873380), (470, 611366), (658, 436690), (940, 305683), (1316, 218345), (1645, 174676), (3290, 87338), (6580, 43669)]