674850820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{209581}}^1$

素因数の和:209620

約数の個数: 48

約数和(自身を含む): 1690069248

約数和(自身を除く): 1015218428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 209581, 419162, 838324, 1047905, 1467067, 2095810, 2934134, 4191620, 4820363, 5868268, 7335335, 9640726, 14670670, 19281452, 24101815, 29341340, 33742541, 48203630, 67485082, 96407260, 134970164, 168712705, 337425410, 674850820]

約数ペア:

[(1, 674850820), (2, 337425410), (4, 168712705), (5, 134970164), (7, 96407260), (10, 67485082), (14, 48203630), (20, 33742541), (23, 29341340), (28, 24101815), (35, 19281452), (46, 14670670), (70, 9640726), (92, 7335335), (115, 5868268), (140, 4820363), (161, 4191620), (230, 2934134), (322, 2095810), (460, 1467067), (644, 1047905), (805, 838324), (1610, 419162), (3220, 209581)]