2779966000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1549

約数の個数: 240

約数和(自身を含む): 8236481760

約数和(自身を除く): 5456515760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 125, 133, 140, 152, 175, 190, 196, 200, 245, 250, 266, 280, 304, 350, 380, 392, 400, 475, 490, 500, 532, 560, 665, 700, 760, 784, 875, 931, 950, 980, 1000, 1064, 1225, 1330, 1400, 1493, 1520, 1750, 1862, 1900, 1960, 2000, 2128, 2375, 2450, 2660, 2800, 2986, 3325, 3500, 3724, 3800, 3920, 4655, 4750, 4900, 5320, 5972, 6125, 6650, 7000, 7448, 7465, 7600, 9310, 9500, 9800, 10451, 10640, 11944, 12250, 13300, 14000, 14896, 14930, 16625, 18620, 19000, 19600, 20902, 23275, 23888, 24500, 26600, 28367, 29860, 33250, 37240, 37325, 38000, 41804, 46550, 49000, 52255, 53200, 56734, 59720, 66500, 73157, 74480, 74650, 83608, 93100, 98000, 104510, 113468, 116375, 119440, 133000, 141835, 146314, 149300, 167216, 186200, 186625, 198569, 209020, 226936, 232750, 261275, 266000, 283670, 292628, 298600, 365785, 372400, 373250, 397138, 418040, 453872, 465500, 522550, 567340, 585256, 597200, 709175, 731570, 746500, 794276, 836080, 931000, 992845, 1045100, 1134680, 1170512, 1306375, 1389983, 1418350, 1463140, 1493000, 1588552, 1828925, 1862000, 1985690, 2090200, 2269360, 2612750, 2779966, 2836700, 2926280, 2986000, 3177104, 3545875, 3657850, 3971380, 4180400, 4964225, 5225500, 5559932, 5673400, 5852560, 6949915, 7091750, 7315700, 7942760, 9144625, 9928450, 10451000, 11119864, 11346800, 13899830, 14183500, 14631400, 15885520, 18289250, 19856900, 20902000, 22239728, 24821125, 27799660, 28367000, 29262800, 34749575, 36578500, 39713800, 49642250, 55599320, 56734000, 69499150, 73157000, 79427600, 99284500, 111198640, 138998300, 146314000, 173747875, 198569000, 277996600, 347495750, 397138000, 555993200, 694991500, 1389983000, 2779966000]

約数ペア:

[(1, 2779966000), (2, 1389983000), (4, 694991500), (5, 555993200), (7, 397138000), (8, 347495750), (10, 277996600), (14, 198569000), (16, 173747875), (19, 146314000), (20, 138998300), (25, 111198640), (28, 99284500), (35, 79427600), (38, 73157000), (40, 69499150), (49, 56734000), (50, 55599320), (56, 49642250), (70, 39713800), (76, 36578500), (80, 34749575), (95, 29262800), (98, 28367000), (100, 27799660), (112, 24821125), (125, 22239728), (133, 20902000), (140, 19856900), (152, 18289250), (175, 15885520), (190, 14631400), (196, 14183500), (200, 13899830), (245, 11346800), (250, 11119864), (266, 10451000), (280, 9928450), (304, 9144625), (350, 7942760), (380, 7315700), (392, 7091750), (400, 6949915), (475, 5852560), (490, 5673400), (500, 5559932), (532, 5225500), (560, 4964225), (665, 4180400), (700, 3971380), (760, 3657850), (784, 3545875), (875, 3177104), (931, 2986000), (950, 2926280), (980, 2836700), (1000, 2779966), (1064, 2612750), (1225, 2269360), (1330, 2090200), (1400, 1985690), (1493, 1862000), (1520, 1828925), (1750, 1588552), (1862, 1493000), (1900, 1463140), (1960, 1418350), (2000, 1389983), (2128, 1306375), (2375, 1170512), (2450, 1134680), (2660, 1045100), (2800, 992845), (2986, 931000), (3325, 836080), (3500, 794276), (3724, 746500), (3800, 731570), (3920, 709175), (4655, 597200), (4750, 585256), (4900, 567340), (5320, 522550), (5972, 465500), (6125, 453872), (6650, 418040), (7000, 397138), (7448, 373250), (7465, 372400), (7600, 365785), (9310, 298600), (9500, 292628), (9800, 283670), (10451, 266000), (10640, 261275), (11944, 232750), (12250, 226936), (13300, 209020), (14000, 198569), (14896, 186625), (14930, 186200), (16625, 167216), (18620, 149300), (19000, 146314), (19600, 141835), (20902, 133000), (23275, 119440), (23888, 116375), (24500, 113468), (26600, 104510), (28367, 98000), (29860, 93100), (33250, 83608), (37240, 74650), (37325, 74480), (38000, 73157), (41804, 66500), (46550, 59720), (49000, 56734), (52255, 53200)]