101917480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2210

約数の個数: 64

約数和(自身を含む): 263652480

約数和(自身を除く): 161735000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2011, 2534, 3620, 4022, 5068, 6335, 7240, 8044, 10055, 10136, 12670, 14077, 16088, 20110, 25340, 28154, 40220, 50680, 56308, 70385, 80440, 112616, 140770, 281540, 363991, 563080, 727982, 1455964, 1819955, 2547937, 2911928, 3639910, 5095874, 7279820, 10191748, 12739685, 14559640, 20383496, 25479370, 50958740, 101917480]

約数ペア:

[(1, 101917480), (2, 50958740), (4, 25479370), (5, 20383496), (7, 14559640), (8, 12739685), (10, 10191748), (14, 7279820), (20, 5095874), (28, 3639910), (35, 2911928), (40, 2547937), (56, 1819955), (70, 1455964), (140, 727982), (181, 563080), (280, 363991), (362, 281540), (724, 140770), (905, 112616), (1267, 80440), (1448, 70385), (1810, 56308), (2011, 50680), (2534, 40220), (3620, 28154), (4022, 25340), (5068, 20110), (6335, 16088), (7240, 14077), (8044, 12670), (10055, 10136)]