284776240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{72647}}^1$

素因数の和:72674

約数の個数: 60

約数和(自身を含む): 770214096

約数和(自身を除く): 485437856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 72647, 145294, 290588, 363235, 508529, 581176, 726470, 1017058, 1162352, 1452940, 2034116, 2542645, 2905880, 3559703, 4068232, 5085290, 5811760, 7119406, 8136464, 10170580, 14238812, 17798515, 20341160, 28477624, 35597030, 40682320, 56955248, 71194060, 142388120, 284776240]

約数ペア:

[(1, 284776240), (2, 142388120), (4, 71194060), (5, 56955248), (7, 40682320), (8, 35597030), (10, 28477624), (14, 20341160), (16, 17798515), (20, 14238812), (28, 10170580), (35, 8136464), (40, 7119406), (49, 5811760), (56, 5085290), (70, 4068232), (80, 3559703), (98, 2905880), (112, 2542645), (140, 2034116), (196, 1452940), (245, 1162352), (280, 1017058), (392, 726470), (490, 581176), (560, 508529), (784, 363235), (980, 290588), (1960, 145294), (3920, 72647)]