1971649600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 168

約数和(自身を含む): 5063548928

約数和(自身を除く): 3091899328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 127, 155, 160, 200, 248, 254, 310, 313, 320, 400, 496, 508, 620, 626, 635, 775, 800, 992, 1016, 1240, 1252, 1270, 1550, 1565, 1600, 1984, 2032, 2480, 2504, 2540, 3100, 3130, 3175, 3937, 4064, 4960, 5008, 5080, 6200, 6260, 6350, 7825, 7874, 8128, 9703, 9920, 10016, 10160, 12400, 12520, 12700, 15650, 15748, 19406, 19685, 20032, 20320, 24800, 25040, 25400, 31300, 31496, 38812, 39370, 39751, 40640, 48515, 49600, 50080, 50800, 62600, 62992, 77624, 78740, 79502, 97030, 98425, 100160, 101600, 125200, 125984, 155248, 157480, 159004, 194060, 196850, 198755, 203200, 242575, 250400, 251968, 310496, 314960, 318008, 388120, 393700, 397510, 485150, 500800, 620992, 629920, 636016, 776240, 787400, 795020, 970300, 993775, 1232281, 1259840, 1272032, 1552480, 1574800, 1590040, 1940600, 1987550, 2464562, 2544064, 3104960, 3149600, 3180080, 3881200, 3975100, 4929124, 6161405, 6299200, 6360160, 7762400, 7950200, 9858248, 12322810, 12720320, 15524800, 15900400, 19716496, 24645620, 30807025, 31800800, 39432992, 49291240, 61614050, 63601600, 78865984, 98582480, 123228100, 197164960, 246456200, 394329920, 492912400, 985824800, 1971649600]

約数ペア:

[(1, 1971649600), (2, 985824800), (4, 492912400), (5, 394329920), (8, 246456200), (10, 197164960), (16, 123228100), (20, 98582480), (25, 78865984), (31, 63601600), (32, 61614050), (40, 49291240), (50, 39432992), (62, 31800800), (64, 30807025), (80, 24645620), (100, 19716496), (124, 15900400), (127, 15524800), (155, 12720320), (160, 12322810), (200, 9858248), (248, 7950200), (254, 7762400), (310, 6360160), (313, 6299200), (320, 6161405), (400, 4929124), (496, 3975100), (508, 3881200), (620, 3180080), (626, 3149600), (635, 3104960), (775, 2544064), (800, 2464562), (992, 1987550), (1016, 1940600), (1240, 1590040), (1252, 1574800), (1270, 1552480), (1550, 1272032), (1565, 1259840), (1600, 1232281), (1984, 993775), (2032, 970300), (2480, 795020), (2504, 787400), (2540, 776240), (3100, 636016), (3130, 629920), (3175, 620992), (3937, 500800), (4064, 485150), (4960, 397510), (5008, 393700), (5080, 388120), (6200, 318008), (6260, 314960), (6350, 310496), (7825, 251968), (7874, 250400), (8128, 242575), (9703, 203200), (9920, 198755), (10016, 196850), (10160, 194060), (12400, 159004), (12520, 157480), (12700, 155248), (15650, 125984), (15748, 125200), (19406, 101600), (19685, 100160), (20032, 98425), (20320, 97030), (24800, 79502), (25040, 78740), (25400, 77624), (31300, 62992), (31496, 62600), (38812, 50800), (39370, 50080), (39751, 49600), (40640, 48515)]