20698497400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18979}}^1$

素因数の和:19062

約数の個数: 192

約数和(自身を含む): 59308704000

約数和(自身を除く): 38610206600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 41, 50, 56, 70, 76, 82, 95, 100, 133, 140, 152, 164, 175, 190, 200, 205, 266, 280, 287, 328, 350, 380, 410, 475, 532, 574, 665, 700, 760, 779, 820, 950, 1025, 1064, 1148, 1330, 1400, 1435, 1558, 1640, 1900, 2050, 2296, 2660, 2870, 3116, 3325, 3800, 3895, 4100, 5320, 5453, 5740, 6232, 6650, 7175, 7790, 8200, 10906, 11480, 13300, 14350, 15580, 18979, 19475, 21812, 26600, 27265, 28700, 31160, 37958, 38950, 43624, 54530, 57400, 75916, 77900, 94895, 109060, 132853, 136325, 151832, 155800, 189790, 218120, 265706, 272650, 360601, 379580, 474475, 531412, 545300, 664265, 721202, 759160, 778139, 948950, 1062824, 1090600, 1328530, 1442404, 1556278, 1803005, 1897900, 2524207, 2657060, 2884808, 3112556, 3321325, 3606010, 3795800, 3890695, 5048414, 5314120, 5446973, 6225112, 6642650, 7212020, 7781390, 9015025, 10096828, 10893946, 12621035, 13285300, 14424040, 14784641, 15562780, 18030050, 19453475, 20193656, 21787892, 25242070, 26570600, 27234865, 29569282, 31125560, 36060100, 38906950, 43575784, 50484140, 54469730, 59138564, 63105175, 72120200, 73923205, 77813900, 100968280, 103492487, 108939460, 118277128, 126210350, 136174325, 147846410, 155627800, 206984974, 217878920, 252420700, 272348650, 295692820, 369616025, 413969948, 504841400, 517462435, 544697300, 591385640, 739232050, 827939896, 1034924870, 1089394600, 1478464100, 2069849740, 2587312175, 2956928200, 4139699480, 5174624350, 10349248700, 20698497400]

約数ペア:

[(1, 20698497400), (2, 10349248700), (4, 5174624350), (5, 4139699480), (7, 2956928200), (8, 2587312175), (10, 2069849740), (14, 1478464100), (19, 1089394600), (20, 1034924870), (25, 827939896), (28, 739232050), (35, 591385640), (38, 544697300), (40, 517462435), (41, 504841400), (50, 413969948), (56, 369616025), (70, 295692820), (76, 272348650), (82, 252420700), (95, 217878920), (100, 206984974), (133, 155627800), (140, 147846410), (152, 136174325), (164, 126210350), (175, 118277128), (190, 108939460), (200, 103492487), (205, 100968280), (266, 77813900), (280, 73923205), (287, 72120200), (328, 63105175), (350, 59138564), (380, 54469730), (410, 50484140), (475, 43575784), (532, 38906950), (574, 36060100), (665, 31125560), (700, 29569282), (760, 27234865), (779, 26570600), (820, 25242070), (950, 21787892), (1025, 20193656), (1064, 19453475), (1148, 18030050), (1330, 15562780), (1400, 14784641), (1435, 14424040), (1558, 13285300), (1640, 12621035), (1900, 10893946), (2050, 10096828), (2296, 9015025), (2660, 7781390), (2870, 7212020), (3116, 6642650), (3325, 6225112), (3800, 5446973), (3895, 5314120), (4100, 5048414), (5320, 3890695), (5453, 3795800), (5740, 3606010), (6232, 3321325), (6650, 3112556), (7175, 2884808), (7790, 2657060), (8200, 2524207), (10906, 1897900), (11480, 1803005), (13300, 1556278), (14350, 1442404), (15580, 1328530), (18979, 1090600), (19475, 1062824), (21812, 948950), (26600, 778139), (27265, 759160), (28700, 721202), (31160, 664265), (37958, 545300), (38950, 531412), (43624, 474475), (54530, 379580), (57400, 360601), (75916, 272650), (77900, 265706), (94895, 218120), (109060, 189790), (132853, 155800), (136325, 151832)]