1997511040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 256

約数和(自身を含む): 5937868800

約数和(自身を除く): 3940357760

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, 757, 760, 868, 896, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1514, 1520, 1736, 1984, 2128, 2170, 2240, 2356, 2432, 2480, 2660, 2945, 3028, 3040, 3472, 3785, 3968, 4123, 4256, 4340, 4480, 4712, 4960, 5299, 5320, 5890, 6056, 6080, 6944, 7570, 8246, 8512, 8680, 9424, 9920, 10598, 10640, 11780, 12112, 12160, 13888, 14383, 15140, 16492, 17024, 17360, 18848, 19840, 20615, 21196, 21280, 23467, 23560, 24224, 26495, 27776, 28766, 30280, 32984, 34720, 37696, 41230, 42392, 42560, 46934, 47120, 48448, 52990, 57532, 60560, 65968, 69440, 71915, 75392, 82460, 84784, 85120, 93868, 94240, 96896, 100681, 105980, 115064, 117335, 121120, 131936, 138880, 143830, 164269, 164920, 169568, 187736, 188480, 201362, 211960, 230128, 234670, 242240, 263872, 287660, 328538, 329840, 339136, 375472, 376960, 402724, 423920, 445873, 460256, 469340, 484480, 503405, 527744, 575320, 657076, 659680, 678272, 750944, 805448, 821345, 847840, 891746, 920512, 938680, 1006810, 1150640, 1314152, 1319360, 1501888, 1610896, 1642690, 1695680, 1783492, 1841024, 1877360, 2013620, 2229365, 2301280, 2628304, 2638720, 3003776, 3121111, 3221792, 3285380, 3391360, 3566984, 3754720, 4027240, 4458730, 4602560, 5256608, 6242222, 6443584, 6570760, 7133968, 7509440, 8054480, 8917460, 9205120, 10513216, 12484444, 12887168, 13141520, 14267936, 15018880, 15605555, 16108960, 17834920, 21026432, 24968888, 26283040, 28535872, 31211110, 32217920, 35669840, 49937776, 52566080, 57071744, 62422220, 64435840, 71339680, 99875552, 105132160, 124844440, 142679360, 199751104, 249688880, 285358720, 399502208, 499377760, 998755520, 1997511040]

約数ペア:

[(1, 1997511040), (2, 998755520), (4, 499377760), (5, 399502208), (7, 285358720), (8, 249688880), (10, 199751104), (14, 142679360), (16, 124844440), (19, 105132160), (20, 99875552), (28, 71339680), (31, 64435840), (32, 62422220), (35, 57071744), (38, 52566080), (40, 49937776), (56, 35669840), (62, 32217920), (64, 31211110), (70, 28535872), (76, 26283040), (80, 24968888), (95, 21026432), (112, 17834920), (124, 16108960), (128, 15605555), (133, 15018880), (140, 14267936), (152, 13141520), (155, 12887168), (160, 12484444), (190, 10513216), (217, 9205120), (224, 8917460), (248, 8054480), (266, 7509440), (280, 7133968), (304, 6570760), (310, 6443584), (320, 6242222), (380, 5256608), (434, 4602560), (448, 4458730), (496, 4027240), (532, 3754720), (560, 3566984), (589, 3391360), (608, 3285380), (620, 3221792), (640, 3121111), (665, 3003776), (757, 2638720), (760, 2628304), (868, 2301280), (896, 2229365), (992, 2013620), (1064, 1877360), (1085, 1841024), (1120, 1783492), (1178, 1695680), (1216, 1642690), (1240, 1610896), (1330, 1501888), (1514, 1319360), (1520, 1314152), (1736, 1150640), (1984, 1006810), (2128, 938680), (2170, 920512), (2240, 891746), (2356, 847840), (2432, 821345), (2480, 805448), (2660, 750944), (2945, 678272), (3028, 659680), (3040, 657076), (3472, 575320), (3785, 527744), (3968, 503405), (4123, 484480), (4256, 469340), (4340, 460256), (4480, 445873), (4712, 423920), (4960, 402724), (5299, 376960), (5320, 375472), (5890, 339136), (6056, 329840), (6080, 328538), (6944, 287660), (7570, 263872), (8246, 242240), (8512, 234670), (8680, 230128), (9424, 211960), (9920, 201362), (10598, 188480), (10640, 187736), (11780, 169568), (12112, 164920), (12160, 164269), (13888, 143830), (14383, 138880), (15140, 131936), (16492, 121120), (17024, 117335), (17360, 115064), (18848, 105980), (19840, 100681), (20615, 96896), (21196, 94240), (21280, 93868), (23467, 85120), (23560, 84784), (24224, 82460), (26495, 75392), (27776, 71915), (28766, 69440), (30280, 65968), (32984, 60560), (34720, 57532), (37696, 52990), (41230, 48448), (42392, 47120), (42560, 46934)]