256216460

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{74051}}^1$

素因数の和:74233

約数の個数: 24

約数和(自身を含む): 541172016

約数和(自身を除く): 284955556

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 74051, 148102, 296204, 370255, 740510, 1481020, 12810823, 25621646, 51243292, 64054115, 128108230, 256216460]

約数ペア:

[(1, 256216460), (2, 128108230), (4, 64054115), (5, 51243292), (10, 25621646), (20, 12810823), (173, 1481020), (346, 740510), (692, 370255), (865, 296204), (1730, 148102), (3460, 74051)]