221557770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 192

約数和(自身を含む): 706807296

約数和(自身を除く): 485249526

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 137, 151, 153, 170, 210, 238, 255, 274, 302, 306, 315, 357, 411, 453, 510, 595, 630, 685, 714, 755, 765, 822, 906, 959, 1057, 1071, 1190, 1233, 1359, 1370, 1510, 1530, 1785, 1918, 2055, 2114, 2142, 2265, 2329, 2466, 2567, 2718, 2877, 3171, 3570, 4110, 4530, 4658, 4795, 5134, 5285, 5355, 5754, 6165, 6342, 6795, 6987, 7701, 8631, 9513, 9590, 10570, 10710, 11645, 12330, 12835, 13590, 13974, 14385, 15402, 15855, 16303, 17262, 17969, 19026, 20687, 20961, 23103, 23290, 25670, 28770, 31710, 32606, 34935, 35938, 38505, 41374, 41922, 43155, 46206, 47565, 48909, 53907, 62061, 69870, 77010, 81515, 86310, 89845, 95130, 97818, 103435, 104805, 107814, 115515, 124122, 144809, 146727, 161721, 163030, 179690, 186183, 206870, 209610, 231030, 244545, 269535, 289618, 293454, 310305, 323442, 351679, 372366, 434427, 489090, 539070, 620610, 703358, 724045, 733635, 808605, 868854, 930915, 1055037, 1303281, 1448090, 1467270, 1617210, 1758395, 1861830, 2110074, 2172135, 2461753, 2606562, 3165111, 3516790, 4344270, 4923506, 5275185, 6330222, 6516405, 7385259, 10550370, 12308765, 13032810, 14770518, 15825555, 22155777, 24617530, 31651110, 36926295, 44311554, 73852590, 110778885, 221557770]

約数ペア:

[(1, 221557770), (2, 110778885), (3, 73852590), (5, 44311554), (6, 36926295), (7, 31651110), (9, 24617530), (10, 22155777), (14, 15825555), (15, 14770518), (17, 13032810), (18, 12308765), (21, 10550370), (30, 7385259), (34, 6516405), (35, 6330222), (42, 5275185), (45, 4923506), (51, 4344270), (63, 3516790), (70, 3165111), (85, 2606562), (90, 2461753), (102, 2172135), (105, 2110074), (119, 1861830), (126, 1758395), (137, 1617210), (151, 1467270), (153, 1448090), (170, 1303281), (210, 1055037), (238, 930915), (255, 868854), (274, 808605), (302, 733635), (306, 724045), (315, 703358), (357, 620610), (411, 539070), (453, 489090), (510, 434427), (595, 372366), (630, 351679), (685, 323442), (714, 310305), (755, 293454), (765, 289618), (822, 269535), (906, 244545), (959, 231030), (1057, 209610), (1071, 206870), (1190, 186183), (1233, 179690), (1359, 163030), (1370, 161721), (1510, 146727), (1530, 144809), (1785, 124122), (1918, 115515), (2055, 107814), (2114, 104805), (2142, 103435), (2265, 97818), (2329, 95130), (2466, 89845), (2567, 86310), (2718, 81515), (2877, 77010), (3171, 69870), (3570, 62061), (4110, 53907), (4530, 48909), (4658, 47565), (4795, 46206), (5134, 43155), (5285, 41922), (5355, 41374), (5754, 38505), (6165, 35938), (6342, 34935), (6795, 32606), (6987, 31710), (7701, 28770), (8631, 25670), (9513, 23290), (9590, 23103), (10570, 20961), (10710, 20687), (11645, 19026), (12330, 17969), (12835, 17262), (13590, 16303), (13974, 15855), (14385, 15402)]