4947880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 13063680

約数和(自身を除く): 8115800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 431, 574, 820, 862, 1148, 1435, 1640, 1724, 2155, 2296, 2870, 3017, 3448, 4310, 5740, 6034, 8620, 11480, 12068, 15085, 17240, 17671, 24136, 30170, 35342, 60340, 70684, 88355, 120680, 123697, 141368, 176710, 247394, 353420, 494788, 618485, 706840, 989576, 1236970, 2473940, 4947880]

約数ペア:

[(1, 4947880), (2, 2473940), (4, 1236970), (5, 989576), (7, 706840), (8, 618485), (10, 494788), (14, 353420), (20, 247394), (28, 176710), (35, 141368), (40, 123697), (41, 120680), (56, 88355), (70, 70684), (82, 60340), (140, 35342), (164, 30170), (205, 24136), (280, 17671), (287, 17240), (328, 15085), (410, 12068), (431, 11480), (574, 8620), (820, 6034), (862, 5740), (1148, 4310), (1435, 3448), (1640, 3017), (1724, 2870), (2155, 2296)]