7943740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 19901952

約数和(自身を除く): 11958212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2467, 3220, 4934, 9868, 12335, 17269, 24670, 34538, 49340, 56741, 69076, 86345, 113482, 172690, 226964, 283705, 345380, 397187, 567410, 794374, 1134820, 1588748, 1985935, 3971870, 7943740]

約数ペア:

[(1, 7943740), (2, 3971870), (4, 1985935), (5, 1588748), (7, 1134820), (10, 794374), (14, 567410), (20, 397187), (23, 345380), (28, 283705), (35, 226964), (46, 172690), (70, 113482), (92, 86345), (115, 69076), (140, 56741), (161, 49340), (230, 34538), (322, 24670), (460, 17269), (644, 12335), (805, 9868), (1610, 4934), (2467, 3220)]