199917480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{237997}}^1$

素因数の和:238018

約数の個数: 64

約数和(自身を含む): 685434240

約数和(自身を除く): 485516760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 237997, 475994, 713991, 951988, 1189985, 1427982, 1665979, 1903976, 2379970, 2855964, 3331958, 3569955, 4759940, 4997937, 5711928, 6663916, 7139910, 8329895, 9519880, 9995874, 13327832, 14279820, 16659790, 19991748, 24989685, 28559640, 33319580, 39983496, 49979370, 66639160, 99958740, 199917480]

約数ペア:

[(1, 199917480), (2, 99958740), (3, 66639160), (4, 49979370), (5, 39983496), (6, 33319580), (7, 28559640), (8, 24989685), (10, 19991748), (12, 16659790), (14, 14279820), (15, 13327832), (20, 9995874), (21, 9519880), (24, 8329895), (28, 7139910), (30, 6663916), (35, 5711928), (40, 4997937), (42, 4759940), (56, 3569955), (60, 3331958), (70, 2855964), (84, 2379970), (105, 1903976), (120, 1665979), (140, 1427982), (168, 1189985), (210, 951988), (280, 713991), (420, 475994), (840, 237997)]