427120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 1049040

約数和(自身を除く): 621920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 281, 304, 380, 562, 760, 1124, 1405, 1520, 2248, 2810, 4496, 5339, 5620, 10678, 11240, 21356, 22480, 26695, 42712, 53390, 85424, 106780, 213560, 427120]

約数ペア:

[(1, 427120), (2, 213560), (4, 106780), (5, 85424), (8, 53390), (10, 42712), (16, 26695), (19, 22480), (20, 21356), (38, 11240), (40, 10678), (76, 5620), (80, 5339), (95, 4496), (152, 2810), (190, 2248), (281, 1520), (304, 1405), (380, 1124), (562, 760)]