131648500

素因数分解:

$2^2\times 5^3\times {\mathrm{281}}^1\times {\mathrm{937}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 288851472

約数和(自身を除く): 157202972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 281, 500, 562, 937, 1124, 1405, 1874, 2810, 3748, 4685, 5620, 7025, 9370, 14050, 18740, 23425, 28100, 35125, 46850, 70250, 93700, 117125, 140500, 234250, 263297, 468500, 526594, 1053188, 1316485, 2632970, 5265940, 6582425, 13164850, 26329700, 32912125, 65824250, 131648500]

約数ペア:

[(1, 131648500), (2, 65824250), (4, 32912125), (5, 26329700), (10, 13164850), (20, 6582425), (25, 5265940), (50, 2632970), (100, 1316485), (125, 1053188), (250, 526594), (281, 468500), (500, 263297), (562, 234250), (937, 140500), (1124, 117125), (1405, 93700), (1874, 70250), (2810, 46850), (3748, 35125), (4685, 28100), (5620, 23425), (7025, 18740), (9370, 14050)]