207910406920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1627861}}^1$

素因数の和:1628006

約数の個数: 64

約数和(自身を含む): 487577226240

約数和(自身を除く): 279666819320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 2060, 3193, 4120, 6386, 12772, 15965, 25544, 31930, 63860, 127720, 1627861, 3255722, 6511444, 8139305, 13022888, 16278610, 32557220, 50463691, 65114440, 100927382, 167669683, 201854764, 252318455, 335339366, 403709528, 504636910, 670678732, 838348415, 1009273820, 1341357464, 1676696830, 2018547640, 3353393660, 5197760173, 6706787320, 10395520346, 20791040692, 25988800865, 41582081384, 51977601730, 103955203460, 207910406920]

約数ペア:

[(1, 207910406920), (2, 103955203460), (4, 51977601730), (5, 41582081384), (8, 25988800865), (10, 20791040692), (20, 10395520346), (31, 6706787320), (40, 5197760173), (62, 3353393660), (103, 2018547640), (124, 1676696830), (155, 1341357464), (206, 1009273820), (248, 838348415), (310, 670678732), (412, 504636910), (515, 403709528), (620, 335339366), (824, 252318455), (1030, 201854764), (1240, 167669683), (2060, 100927382), (3193, 65114440), (4120, 50463691), (6386, 32557220), (12772, 16278610), (15965, 13022888), (25544, 8139305), (31930, 6511444), (63860, 3255722), (127720, 1627861)]