84280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 225720

約数和(自身を除く): 141440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 602, 860, 980, 1204, 1505, 1720, 1960, 2107, 2408, 3010, 4214, 6020, 8428, 10535, 12040, 16856, 21070, 42140, 84280]

約数ペア:

[(1, 84280), (2, 42140), (4, 21070), (5, 16856), (7, 12040), (8, 10535), (10, 8428), (14, 6020), (20, 4214), (28, 3010), (35, 2408), (40, 2107), (43, 1960), (49, 1720), (56, 1505), (70, 1204), (86, 980), (98, 860), (140, 602), (172, 490), (196, 430), (215, 392), (245, 344), (280, 301)]