201945680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132859}}^1$

素因数の和:132891

約数の個数: 40

約数和(自身を含む): 494239200

約数和(自身を除く): 292293520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132859, 265718, 531436, 664295, 1062872, 1328590, 2125744, 2524321, 2657180, 5048642, 5314360, 10097284, 10628720, 12621605, 20194568, 25243210, 40389136, 50486420, 100972840, 201945680]

約数ペア:

[(1, 201945680), (2, 100972840), (4, 50486420), (5, 40389136), (8, 25243210), (10, 20194568), (16, 12621605), (19, 10628720), (20, 10097284), (38, 5314360), (40, 5048642), (76, 2657180), (80, 2524321), (95, 2125744), (152, 1328590), (190, 1062872), (304, 664295), (380, 531436), (760, 265718), (1520, 132859)]