2673020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 6541248

約数和(自身を除く): 3868228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 313, 427, 610, 626, 854, 1220, 1252, 1565, 1708, 2135, 2191, 3130, 4270, 4382, 6260, 8540, 8764, 10955, 19093, 21910, 38186, 43820, 76372, 95465, 133651, 190930, 267302, 381860, 534604, 668255, 1336510, 2673020]

約数ペア:

[(1, 2673020), (2, 1336510), (4, 668255), (5, 534604), (7, 381860), (10, 267302), (14, 190930), (20, 133651), (28, 95465), (35, 76372), (61, 43820), (70, 38186), (122, 21910), (140, 19093), (244, 10955), (305, 8764), (313, 8540), (427, 6260), (610, 4382), (626, 4270), (854, 3130), (1220, 2191), (1252, 2135), (1565, 1708)]