19986589000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{46807}}^1$

素因数の和:46896

約数の個数: 128

約数和(自身を含む): 54327237120

約数和(自身を除く): 34340648120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 70, 100, 122, 125, 140, 175, 200, 244, 250, 280, 305, 350, 427, 488, 500, 610, 700, 854, 875, 1000, 1220, 1400, 1525, 1708, 1750, 2135, 2440, 3050, 3416, 3500, 4270, 6100, 7000, 7625, 8540, 10675, 12200, 15250, 17080, 21350, 30500, 42700, 46807, 53375, 61000, 85400, 93614, 106750, 187228, 213500, 234035, 327649, 374456, 427000, 468070, 655298, 936140, 1170175, 1310596, 1638245, 1872280, 2340350, 2621192, 2855227, 3276490, 4680700, 5710454, 5850875, 6552980, 8191225, 9361400, 11420908, 11701750, 13105960, 14276135, 16382450, 19986589, 22841816, 23403500, 28552270, 32764900, 39973178, 40956125, 46807000, 57104540, 65529800, 71380675, 79946356, 81912250, 99932945, 114209080, 142761350, 159892712, 163824500, 199865890, 285522700, 327649000, 356903375, 399731780, 499664725, 571045400, 713806750, 799463560, 999329450, 1427613500, 1998658900, 2498323625, 2855227000, 3997317800, 4996647250, 9993294500, 19986589000]

約数ペア:

[(1, 19986589000), (2, 9993294500), (4, 4996647250), (5, 3997317800), (7, 2855227000), (8, 2498323625), (10, 1998658900), (14, 1427613500), (20, 999329450), (25, 799463560), (28, 713806750), (35, 571045400), (40, 499664725), (50, 399731780), (56, 356903375), (61, 327649000), (70, 285522700), (100, 199865890), (122, 163824500), (125, 159892712), (140, 142761350), (175, 114209080), (200, 99932945), (244, 81912250), (250, 79946356), (280, 71380675), (305, 65529800), (350, 57104540), (427, 46807000), (488, 40956125), (500, 39973178), (610, 32764900), (700, 28552270), (854, 23403500), (875, 22841816), (1000, 19986589), (1220, 16382450), (1400, 14276135), (1525, 13105960), (1708, 11701750), (1750, 11420908), (2135, 9361400), (2440, 8191225), (3050, 6552980), (3416, 5850875), (3500, 5710454), (4270, 4680700), (6100, 3276490), (7000, 2855227), (7625, 2621192), (8540, 2340350), (10675, 1872280), (12200, 1638245), (15250, 1310596), (17080, 1170175), (21350, 936140), (30500, 655298), (42700, 468070), (46807, 427000), (53375, 374456), (61000, 327649), (85400, 234035), (93614, 213500), (106750, 187228)]