721370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 730150

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 179, 310, 358, 403, 806, 895, 1790, 2015, 2327, 4030, 4654, 5549, 11098, 11635, 23270, 27745, 55490, 72137, 144274, 360685, 721370]

約数ペア:

[(1, 721370), (2, 360685), (5, 144274), (10, 72137), (13, 55490), (26, 27745), (31, 23270), (62, 11635), (65, 11098), (130, 5549), (155, 4654), (179, 4030), (310, 2327), (358, 2015), (403, 1790), (806, 895)]