986395900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 2519838720

約数和(自身を除く): 1533442820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 89, 100, 140, 142, 175, 178, 223, 284, 350, 355, 356, 445, 446, 497, 623, 700, 710, 890, 892, 994, 1115, 1246, 1420, 1561, 1775, 1780, 1988, 2225, 2230, 2485, 2492, 3115, 3122, 3550, 4450, 4460, 4970, 5575, 6230, 6244, 6319, 7100, 7805, 8900, 9940, 11150, 12425, 12460, 12638, 15575, 15610, 15833, 19847, 22300, 24850, 25276, 31150, 31220, 31595, 31666, 39025, 39694, 44233, 49700, 62300, 63190, 63332, 78050, 79165, 79388, 88466, 99235, 110831, 126380, 138929, 156100, 157975, 158330, 176932, 198470, 221165, 221662, 277858, 315950, 316660, 395825, 396940, 442330, 443324, 496175, 554155, 555716, 631900, 694645, 791650, 884660, 992350, 1105825, 1108310, 1389290, 1409137, 1583300, 1984700, 2211650, 2216620, 2770775, 2778580, 2818274, 3473225, 4423300, 5541550, 5636548, 6946450, 7045685, 9863959, 11083100, 13892900, 14091370, 19727918, 28182740, 35228425, 39455836, 49319795, 70456850, 98639590, 140913700, 197279180, 246598975, 493197950, 986395900]

約数ペア:

[(1, 986395900), (2, 493197950), (4, 246598975), (5, 197279180), (7, 140913700), (10, 98639590), (14, 70456850), (20, 49319795), (25, 39455836), (28, 35228425), (35, 28182740), (50, 19727918), (70, 14091370), (71, 13892900), (89, 11083100), (100, 9863959), (140, 7045685), (142, 6946450), (175, 5636548), (178, 5541550), (223, 4423300), (284, 3473225), (350, 2818274), (355, 2778580), (356, 2770775), (445, 2216620), (446, 2211650), (497, 1984700), (623, 1583300), (700, 1409137), (710, 1389290), (890, 1108310), (892, 1105825), (994, 992350), (1115, 884660), (1246, 791650), (1420, 694645), (1561, 631900), (1775, 555716), (1780, 554155), (1988, 496175), (2225, 443324), (2230, 442330), (2485, 396940), (2492, 395825), (3115, 316660), (3122, 315950), (3550, 277858), (4450, 221662), (4460, 221165), (4970, 198470), (5575, 176932), (6230, 158330), (6244, 157975), (6319, 156100), (7100, 138929), (7805, 126380), (8900, 110831), (9940, 99235), (11150, 88466), (12425, 79388), (12460, 79165), (12638, 78050), (15575, 63332), (15610, 63190), (15833, 62300), (19847, 49700), (22300, 44233), (24850, 39694), (25276, 39025), (31150, 31666), (31220, 31595)]