2557020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 7539840

約数和(自身を除く): 4982820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 2243, 4486, 6729, 8972, 11215, 13458, 22430, 26916, 33645, 42617, 44860, 67290, 85234, 127851, 134580, 170468, 213085, 255702, 426170, 511404, 639255, 852340, 1278510, 2557020]

約数ペア:

[(1, 2557020), (2, 1278510), (3, 852340), (4, 639255), (5, 511404), (6, 426170), (10, 255702), (12, 213085), (15, 170468), (19, 134580), (20, 127851), (30, 85234), (38, 67290), (57, 44860), (60, 42617), (76, 33645), (95, 26916), (114, 22430), (190, 13458), (228, 11215), (285, 8972), (380, 6729), (570, 4486), (1140, 2243)]