140335760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 341978112

約数和(自身を除く): 201642352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 797, 1136, 1240, 1420, 1594, 2201, 2480, 2840, 3188, 3985, 4402, 5680, 6376, 7970, 8804, 11005, 12752, 15940, 17608, 22010, 24707, 31880, 35216, 44020, 49414, 56587, 63760, 88040, 98828, 113174, 123535, 176080, 197656, 226348, 247070, 282935, 395312, 452696, 494140, 565870, 905392, 988280, 1131740, 1754197, 1976560, 2263480, 3508394, 4526960, 7016788, 8770985, 14033576, 17541970, 28067152, 35083940, 70167880, 140335760]

約数ペア:

[(1, 140335760), (2, 70167880), (4, 35083940), (5, 28067152), (8, 17541970), (10, 14033576), (16, 8770985), (20, 7016788), (31, 4526960), (40, 3508394), (62, 2263480), (71, 1976560), (80, 1754197), (124, 1131740), (142, 988280), (155, 905392), (248, 565870), (284, 494140), (310, 452696), (355, 395312), (496, 282935), (568, 247070), (620, 226348), (710, 197656), (797, 176080), (1136, 123535), (1240, 113174), (1420, 98828), (1594, 88040), (2201, 63760), (2480, 56587), (2840, 49414), (3188, 44020), (3985, 35216), (4402, 31880), (5680, 24707), (6376, 22010), (7970, 17608), (8804, 15940), (11005, 12752)]