2439080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 6497280

約数和(自身を除く): 4058200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 281, 310, 434, 562, 620, 868, 1085, 1124, 1240, 1405, 1736, 1967, 2170, 2248, 2810, 3934, 4340, 5620, 7868, 8680, 8711, 9835, 11240, 15736, 17422, 19670, 34844, 39340, 43555, 60977, 69688, 78680, 87110, 121954, 174220, 243908, 304885, 348440, 487816, 609770, 1219540, 2439080]

約数ペア:

[(1, 2439080), (2, 1219540), (4, 609770), (5, 487816), (7, 348440), (8, 304885), (10, 243908), (14, 174220), (20, 121954), (28, 87110), (31, 78680), (35, 69688), (40, 60977), (56, 43555), (62, 39340), (70, 34844), (124, 19670), (140, 17422), (155, 15736), (217, 11240), (248, 9835), (280, 8711), (281, 8680), (310, 7868), (434, 5620), (562, 4340), (620, 3934), (868, 2810), (1085, 2248), (1124, 2170), (1240, 1967), (1405, 1736)]