28853720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103049}}^1$

素因数の和:103067

約数の個数: 32

約数和(自身を含む): 74196000

約数和(自身を除く): 45342280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103049, 206098, 412196, 515245, 721343, 824392, 1030490, 1442686, 2060980, 2885372, 3606715, 4121960, 5770744, 7213430, 14426860, 28853720]

約数ペア:

[(1, 28853720), (2, 14426860), (4, 7213430), (5, 5770744), (7, 4121960), (8, 3606715), (10, 2885372), (14, 2060980), (20, 1442686), (28, 1030490), (35, 824392), (40, 721343), (56, 515245), (70, 412196), (140, 206098), (280, 103049)]