78162140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3119}}^1$

素因数の和:3314

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 110535460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3119, 3580, 5012, 6238, 6265, 12476, 12530, 15595, 21833, 25060, 31190, 43666, 62380, 87332, 109165, 218330, 436660, 558301, 1116602, 2233204, 2791505, 3908107, 5583010, 7816214, 11166020, 15632428, 19540535, 39081070, 78162140]

約数ペア:

[(1, 78162140), (2, 39081070), (4, 19540535), (5, 15632428), (7, 11166020), (10, 7816214), (14, 5583010), (20, 3908107), (28, 2791505), (35, 2233204), (70, 1116602), (140, 558301), (179, 436660), (358, 218330), (716, 109165), (895, 87332), (1253, 62380), (1790, 43666), (2506, 31190), (3119, 25060), (3580, 21833), (5012, 15595), (6238, 12530), (6265, 12476)]