19754000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 58496256

約数和(自身を除く): 38742256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 83, 85, 100, 112, 119, 125, 136, 140, 166, 170, 175, 200, 238, 250, 272, 280, 332, 340, 350, 400, 415, 425, 476, 500, 560, 581, 595, 664, 680, 700, 830, 850, 875, 952, 1000, 1162, 1190, 1328, 1360, 1400, 1411, 1660, 1700, 1750, 1904, 2000, 2075, 2125, 2324, 2380, 2800, 2822, 2905, 2975, 3320, 3400, 3500, 4150, 4250, 4648, 4760, 5644, 5810, 5950, 6640, 6800, 7000, 7055, 8300, 8500, 9296, 9520, 9877, 10375, 11288, 11620, 11900, 14000, 14110, 14525, 14875, 16600, 17000, 19754, 20750, 22576, 23240, 23800, 28220, 29050, 29750, 33200, 34000, 35275, 39508, 41500, 46480, 47600, 49385, 56440, 58100, 59500, 70550, 72625, 79016, 83000, 98770, 112880, 116200, 119000, 141100, 145250, 158032, 166000, 176375, 197540, 232400, 238000, 246925, 282200, 290500, 352750, 395080, 493850, 564400, 581000, 705500, 790160, 987700, 1162000, 1234625, 1411000, 1975400, 2469250, 2822000, 3950800, 4938500, 9877000, 19754000]

約数ペア:

[(1, 19754000), (2, 9877000), (4, 4938500), (5, 3950800), (7, 2822000), (8, 2469250), (10, 1975400), (14, 1411000), (16, 1234625), (17, 1162000), (20, 987700), (25, 790160), (28, 705500), (34, 581000), (35, 564400), (40, 493850), (50, 395080), (56, 352750), (68, 290500), (70, 282200), (80, 246925), (83, 238000), (85, 232400), (100, 197540), (112, 176375), (119, 166000), (125, 158032), (136, 145250), (140, 141100), (166, 119000), (170, 116200), (175, 112880), (200, 98770), (238, 83000), (250, 79016), (272, 72625), (280, 70550), (332, 59500), (340, 58100), (350, 56440), (400, 49385), (415, 47600), (425, 46480), (476, 41500), (500, 39508), (560, 35275), (581, 34000), (595, 33200), (664, 29750), (680, 29050), (700, 28220), (830, 23800), (850, 23240), (875, 22576), (952, 20750), (1000, 19754), (1162, 17000), (1190, 16600), (1328, 14875), (1360, 14525), (1400, 14110), (1411, 14000), (1660, 11900), (1700, 11620), (1750, 11288), (1904, 10375), (2000, 9877), (2075, 9520), (2125, 9296), (2324, 8500), (2380, 8300), (2800, 7055), (2822, 7000), (2905, 6800), (2975, 6640), (3320, 5950), (3400, 5810), (3500, 5644), (4150, 4760), (4250, 4648)]