4220020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 10378368

約数和(自身を除く): 6158348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 701, 860, 1204, 1402, 1505, 2804, 3010, 3505, 4907, 6020, 7010, 9814, 14020, 19628, 24535, 30143, 49070, 60286, 98140, 120572, 150715, 211001, 301430, 422002, 602860, 844004, 1055005, 2110010, 4220020]

約数ペア:

[(1, 4220020), (2, 2110010), (4, 1055005), (5, 844004), (7, 602860), (10, 422002), (14, 301430), (20, 211001), (28, 150715), (35, 120572), (43, 98140), (70, 60286), (86, 49070), (140, 30143), (172, 24535), (215, 19628), (301, 14020), (430, 9814), (602, 7010), (701, 6020), (860, 4907), (1204, 3505), (1402, 3010), (1505, 2804)]