791840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{101}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 2197692

約数和(自身を除く): 1405852

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 101, 112, 140, 160, 196, 202, 224, 245, 280, 392, 404, 490, 505, 560, 707, 784, 808, 980, 1010, 1120, 1414, 1568, 1616, 1960, 2020, 2828, 3232, 3535, 3920, 4040, 4949, 5656, 7070, 7840, 8080, 9898, 11312, 14140, 16160, 19796, 22624, 24745, 28280, 39592, 49490, 56560, 79184, 98980, 113120, 158368, 197960, 395920, 791840]

約数ペア:

[(1, 791840), (2, 395920), (4, 197960), (5, 158368), (7, 113120), (8, 98980), (10, 79184), (14, 56560), (16, 49490), (20, 39592), (28, 28280), (32, 24745), (35, 22624), (40, 19796), (49, 16160), (56, 14140), (70, 11312), (80, 9898), (98, 8080), (101, 7840), (112, 7070), (140, 5656), (160, 4949), (196, 4040), (202, 3920), (224, 3535), (245, 3232), (280, 2828), (392, 2020), (404, 1960), (490, 1616), (505, 1568), (560, 1414), (707, 1120), (784, 1010), (808, 980)]