209891850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 631031040

約数和(自身を除く): 421139190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 61, 70, 75, 87, 105, 113, 122, 145, 150, 174, 175, 183, 203, 210, 226, 290, 305, 339, 350, 366, 406, 427, 435, 525, 565, 609, 610, 678, 725, 791, 854, 870, 915, 1015, 1050, 1130, 1218, 1281, 1450, 1525, 1582, 1695, 1769, 1830, 2030, 2135, 2175, 2373, 2562, 2825, 3045, 3050, 3277, 3390, 3538, 3955, 4270, 4350, 4575, 4746, 5075, 5307, 5650, 6090, 6405, 6554, 6893, 7910, 8475, 8845, 9150, 9831, 10150, 10614, 10675, 11865, 12383, 12810, 13786, 15225, 16385, 16950, 17690, 19662, 19775, 20679, 21350, 22939, 23730, 24766, 26535, 30450, 32025, 32770, 34465, 37149, 39550, 41358, 44225, 45878, 48251, 49155, 53070, 59325, 61915, 64050, 68817, 68930, 74298, 81925, 88450, 96502, 98310, 103395, 114695, 118650, 123830, 132675, 137634, 144753, 163850, 172325, 185745, 199897, 206790, 229390, 241255, 245775, 265350, 289506, 309575, 344085, 344650, 371490, 399794, 482510, 491550, 516975, 573475, 599691, 619150, 688170, 723765, 928725, 999485, 1033950, 1146950, 1199382, 1206275, 1399279, 1447530, 1720425, 1857450, 1998970, 2412550, 2798558, 2998455, 3440850, 3618825, 4197837, 4997425, 5996910, 6996395, 7237650, 8395674, 9994850, 13992790, 14992275, 20989185, 29984550, 34981975, 41978370, 69963950, 104945925, 209891850]

約数ペア:

[(1, 209891850), (2, 104945925), (3, 69963950), (5, 41978370), (6, 34981975), (7, 29984550), (10, 20989185), (14, 14992275), (15, 13992790), (21, 9994850), (25, 8395674), (29, 7237650), (30, 6996395), (35, 5996910), (42, 4997425), (50, 4197837), (58, 3618825), (61, 3440850), (70, 2998455), (75, 2798558), (87, 2412550), (105, 1998970), (113, 1857450), (122, 1720425), (145, 1447530), (150, 1399279), (174, 1206275), (175, 1199382), (183, 1146950), (203, 1033950), (210, 999485), (226, 928725), (290, 723765), (305, 688170), (339, 619150), (350, 599691), (366, 573475), (406, 516975), (427, 491550), (435, 482510), (525, 399794), (565, 371490), (609, 344650), (610, 344085), (678, 309575), (725, 289506), (791, 265350), (854, 245775), (870, 241255), (915, 229390), (1015, 206790), (1050, 199897), (1130, 185745), (1218, 172325), (1281, 163850), (1450, 144753), (1525, 137634), (1582, 132675), (1695, 123830), (1769, 118650), (1830, 114695), (2030, 103395), (2135, 98310), (2175, 96502), (2373, 88450), (2562, 81925), (2825, 74298), (3045, 68930), (3050, 68817), (3277, 64050), (3390, 61915), (3538, 59325), (3955, 53070), (4270, 49155), (4350, 48251), (4575, 45878), (4746, 44225), (5075, 41358), (5307, 39550), (5650, 37149), (6090, 34465), (6405, 32770), (6554, 32025), (6893, 30450), (7910, 26535), (8475, 24766), (8845, 23730), (9150, 22939), (9831, 21350), (10150, 20679), (10614, 19775), (10675, 19662), (11865, 17690), (12383, 16950), (12810, 16385), (13786, 15225)]