2498867840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1023

約数の個数: 256

約数和(自身を含む): 7426252800

約数和(自身を除く): 4927384960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 128, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 320, 380, 434, 448, 496, 532, 560, 589, 608, 620, 640, 665, 760, 868, 896, 947, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1520, 1736, 1894, 1984, 2128, 2170, 2240, 2356, 2432, 2480, 2660, 2945, 3040, 3472, 3788, 3968, 4123, 4256, 4340, 4480, 4712, 4735, 4960, 5320, 5890, 6080, 6629, 6944, 7576, 8246, 8512, 8680, 9424, 9470, 9920, 10640, 11780, 12160, 13258, 13888, 15152, 16492, 17024, 17360, 17993, 18848, 18940, 19840, 20615, 21280, 23560, 26516, 27776, 29357, 30304, 32984, 33145, 34720, 35986, 37696, 37880, 41230, 42560, 47120, 53032, 58714, 60608, 65968, 66290, 69440, 71972, 75392, 75760, 82460, 85120, 89965, 94240, 106064, 117428, 121216, 125951, 131936, 132580, 138880, 143944, 146785, 151520, 164920, 179930, 188480, 205499, 212128, 234856, 251902, 263872, 265160, 287888, 293570, 303040, 329840, 359860, 376960, 410998, 424256, 469712, 503804, 527744, 530320, 557783, 575776, 587140, 606080, 629755, 659680, 719720, 821996, 848512, 939424, 1007608, 1027495, 1060640, 1115566, 1151552, 1174280, 1259510, 1319360, 1439440, 1643992, 1878848, 2015216, 2054990, 2121280, 2231132, 2303104, 2348560, 2519020, 2638720, 2788915, 2878880, 3287984, 3757696, 3904481, 4030432, 4109980, 4242560, 4462264, 4697120, 5038040, 5577830, 5757760, 6575968, 7808962, 8060864, 8219960, 8924528, 9394240, 10076080, 11155660, 11515520, 13151936, 15617924, 16121728, 16439920, 17849056, 18788480, 19522405, 20152160, 22311320, 26303872, 31235848, 32879840, 35698112, 39044810, 40304320, 44622640, 62471696, 65759680, 71396224, 78089620, 80608640, 89245280, 124943392, 131519360, 156179240, 178490560, 249886784, 312358480, 356981120, 499773568, 624716960, 1249433920, 2498867840]

約数ペア:

[(1, 2498867840), (2, 1249433920), (4, 624716960), (5, 499773568), (7, 356981120), (8, 312358480), (10, 249886784), (14, 178490560), (16, 156179240), (19, 131519360), (20, 124943392), (28, 89245280), (31, 80608640), (32, 78089620), (35, 71396224), (38, 65759680), (40, 62471696), (56, 44622640), (62, 40304320), (64, 39044810), (70, 35698112), (76, 32879840), (80, 31235848), (95, 26303872), (112, 22311320), (124, 20152160), (128, 19522405), (133, 18788480), (140, 17849056), (152, 16439920), (155, 16121728), (160, 15617924), (190, 13151936), (217, 11515520), (224, 11155660), (248, 10076080), (266, 9394240), (280, 8924528), (304, 8219960), (310, 8060864), (320, 7808962), (380, 6575968), (434, 5757760), (448, 5577830), (496, 5038040), (532, 4697120), (560, 4462264), (589, 4242560), (608, 4109980), (620, 4030432), (640, 3904481), (665, 3757696), (760, 3287984), (868, 2878880), (896, 2788915), (947, 2638720), (992, 2519020), (1064, 2348560), (1085, 2303104), (1120, 2231132), (1178, 2121280), (1216, 2054990), (1240, 2015216), (1330, 1878848), (1520, 1643992), (1736, 1439440), (1894, 1319360), (1984, 1259510), (2128, 1174280), (2170, 1151552), (2240, 1115566), (2356, 1060640), (2432, 1027495), (2480, 1007608), (2660, 939424), (2945, 848512), (3040, 821996), (3472, 719720), (3788, 659680), (3968, 629755), (4123, 606080), (4256, 587140), (4340, 575776), (4480, 557783), (4712, 530320), (4735, 527744), (4960, 503804), (5320, 469712), (5890, 424256), (6080, 410998), (6629, 376960), (6944, 359860), (7576, 329840), (8246, 303040), (8512, 293570), (8680, 287888), (9424, 265160), (9470, 263872), (9920, 251902), (10640, 234856), (11780, 212128), (12160, 205499), (13258, 188480), (13888, 179930), (15152, 164920), (16492, 151520), (17024, 146785), (17360, 143944), (17993, 138880), (18848, 132580), (18940, 131936), (19840, 125951), (20615, 121216), (21280, 117428), (23560, 106064), (26516, 94240), (27776, 89965), (29357, 85120), (30304, 82460), (32984, 75760), (33145, 75392), (34720, 71972), (35986, 69440), (37696, 66290), (37880, 65968), (41230, 60608), (42560, 58714), (47120, 53032)]