239893480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{98317}}^1$

素因数の和:98389

約数の個数: 32

約数和(自身を含む): 548614440

約数和(自身を除く): 308720960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 98317, 196634, 393268, 491585, 786536, 983170, 1966340, 3932680, 5997337, 11994674, 23989348, 29986685, 47978696, 59973370, 119946740, 239893480]

約数ペア:

[(1, 239893480), (2, 119946740), (4, 59973370), (5, 47978696), (8, 29986685), (10, 23989348), (20, 11994674), (40, 5997337), (61, 3932680), (122, 1966340), (244, 983170), (305, 786536), (488, 491585), (610, 393268), (1220, 196634), (2440, 98317)]