2257220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 5660928

約数和(自身を除く): 3403708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 701, 805, 1402, 1610, 2804, 3220, 3505, 4907, 7010, 9814, 14020, 16123, 19628, 24535, 32246, 49070, 64492, 80615, 98140, 112861, 161230, 225722, 322460, 451444, 564305, 1128610, 2257220]

約数ペア:

[(1, 2257220), (2, 1128610), (4, 564305), (5, 451444), (7, 322460), (10, 225722), (14, 161230), (20, 112861), (23, 98140), (28, 80615), (35, 64492), (46, 49070), (70, 32246), (92, 24535), (115, 19628), (140, 16123), (161, 14020), (230, 9814), (322, 7010), (460, 4907), (644, 3505), (701, 3220), (805, 2804), (1402, 1610)]