897680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 2438460

約数和(自身を除く): 1540780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 229, 245, 280, 392, 458, 490, 560, 784, 916, 980, 1145, 1603, 1832, 1960, 2290, 3206, 3664, 3920, 4580, 6412, 8015, 9160, 11221, 12824, 16030, 18320, 22442, 25648, 32060, 44884, 56105, 64120, 89768, 112210, 128240, 179536, 224420, 448840, 897680]

約数ペア:

[(1, 897680), (2, 448840), (4, 224420), (5, 179536), (7, 128240), (8, 112210), (10, 89768), (14, 64120), (16, 56105), (20, 44884), (28, 32060), (35, 25648), (40, 22442), (49, 18320), (56, 16030), (70, 12824), (80, 11221), (98, 9160), (112, 8015), (140, 6412), (196, 4580), (229, 3920), (245, 3664), (280, 3206), (392, 2290), (458, 1960), (490, 1832), (560, 1603), (784, 1145), (916, 980)]