4990580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 12270720

約数和(自身を除く): 7280140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 829, 860, 1204, 1505, 1658, 3010, 3316, 4145, 5803, 6020, 8290, 11606, 16580, 23212, 29015, 35647, 58030, 71294, 116060, 142588, 178235, 249529, 356470, 499058, 712940, 998116, 1247645, 2495290, 4990580]

約数ペア:

[(1, 4990580), (2, 2495290), (4, 1247645), (5, 998116), (7, 712940), (10, 499058), (14, 356470), (20, 249529), (28, 178235), (35, 142588), (43, 116060), (70, 71294), (86, 58030), (140, 35647), (172, 29015), (215, 23212), (301, 16580), (430, 11606), (602, 8290), (829, 6020), (860, 5803), (1204, 4145), (1505, 3316), (1658, 3010)]