4428280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 10044000

約数和(自身を除く): 5615720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 743, 745, 1192, 1486, 1490, 2972, 2980, 3715, 5944, 5960, 7430, 14860, 29720, 110707, 221414, 442828, 553535, 885656, 1107070, 2214140, 4428280]

約数ペア:

[(1, 4428280), (2, 2214140), (4, 1107070), (5, 885656), (8, 553535), (10, 442828), (20, 221414), (40, 110707), (149, 29720), (298, 14860), (596, 7430), (743, 5960), (745, 5944), (1192, 3715), (1486, 2980), (1490, 2972)]