278399322440

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{13307807}}^1$

素因数の和:13308341

約数の個数: 32

約数和(自身を含む): 627596225280

約数和(自身を除く): 349196902840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 13307807, 26615614, 53231228, 66539035, 106462456, 133078070, 266156140, 532312280, 6959983061, 13919966122, 27839932244, 34799915305, 55679864488, 69599830610, 139199661220, 278399322440]

約数ペア:

[(1, 278399322440), (2, 139199661220), (4, 69599830610), (5, 55679864488), (8, 34799915305), (10, 27839932244), (20, 13919966122), (40, 6959983061), (523, 532312280), (1046, 266156140), (2092, 133078070), (2615, 106462456), (4184, 66539035), (5230, 53231228), (10460, 26615614), (20920, 13307807)]