79486790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 75618490

約数列:

[1, 2, 5, 10, 31, 43, 62, 67, 86, 89, 134, 155, 178, 215, 310, 335, 430, 445, 670, 890, 1333, 2077, 2666, 2759, 2881, 3827, 4154, 5518, 5762, 5963, 6665, 7654, 10385, 11926, 13330, 13795, 14405, 19135, 20770, 27590, 28810, 29815, 38270, 59630, 89311, 118637, 178622, 184853, 237274, 256409, 369706, 446555, 512818, 593185, 893110, 924265, 1186370, 1282045, 1848530, 2564090, 7948679, 15897358, 39743395, 79486790]

約数ペア:

[(1, 79486790), (2, 39743395), (5, 15897358), (10, 7948679), (31, 2564090), (43, 1848530), (62, 1282045), (67, 1186370), (86, 924265), (89, 893110), (134, 593185), (155, 512818), (178, 446555), (215, 369706), (310, 256409), (335, 237274), (430, 184853), (445, 178622), (670, 118637), (890, 89311), (1333, 59630), (2077, 38270), (2666, 29815), (2759, 28810), (2881, 27590), (3827, 20770), (4154, 19135), (5518, 14405), (5762, 13795), (5963, 13330), (6665, 11926), (7654, 10385)]