308103740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{11059}}^1$

素因数の和:11274

約数の個数: 48

約数和(自身を含む): 743232000

約数和(自身を除く): 435128260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 11059, 13930, 22118, 27860, 44236, 55295, 77413, 110590, 154826, 221180, 309652, 387065, 774130, 1548260, 2200741, 4401482, 8802964, 11003705, 15405187, 22007410, 30810374, 44014820, 61620748, 77025935, 154051870, 308103740]

約数ペア:

[(1, 308103740), (2, 154051870), (4, 77025935), (5, 61620748), (7, 44014820), (10, 30810374), (14, 22007410), (20, 15405187), (28, 11003705), (35, 8802964), (70, 4401482), (140, 2200741), (199, 1548260), (398, 774130), (796, 387065), (995, 309652), (1393, 221180), (1990, 154826), (2786, 110590), (3980, 77413), (5572, 55295), (6965, 44236), (11059, 27860), (13930, 22118)]