239702920

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{26399}}^1$

素因数の和:26637

約数の個数: 32

約数和(自身を含む): 541728000

約数和(自身を除く): 302025080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 26399, 52798, 105596, 131995, 211192, 263990, 527980, 1055960, 5992573, 11985146, 23970292, 29962865, 47940584, 59925730, 119851460, 239702920]

約数ペア:

[(1, 239702920), (2, 119851460), (4, 59925730), (5, 47940584), (8, 29962865), (10, 23970292), (20, 11985146), (40, 5992573), (227, 1055960), (454, 527980), (908, 263990), (1135, 211192), (1816, 131995), (2270, 105596), (4540, 52798), (9080, 26399)]