448840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{229}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 1179900

約数和(自身を除く): 731060

約数列:

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

約数ペア:

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