209782720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:835

約数の個数: 168

約数和(自身を含む): 616067856

約数和(自身を除く): 406285136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 320, 340, 392, 448, 476, 490, 544, 560, 595, 680, 784, 787, 833, 952, 980, 1088, 1120, 1190, 1360, 1568, 1574, 1666, 1904, 1960, 2240, 2380, 2720, 3136, 3148, 3332, 3808, 3920, 3935, 4165, 4760, 5440, 5509, 6296, 6664, 7616, 7840, 7870, 8330, 9520, 11018, 12592, 13328, 13379, 15680, 15740, 16660, 19040, 22036, 25184, 26656, 26758, 27545, 31480, 33320, 38080, 38563, 44072, 50368, 53312, 53516, 55090, 62960, 66640, 66895, 77126, 88144, 93653, 107032, 110180, 125920, 133280, 133790, 154252, 176288, 187306, 192815, 214064, 220360, 251840, 266560, 267580, 308504, 352576, 374612, 385630, 428128, 440720, 468265, 535160, 617008, 655571, 749224, 771260, 856256, 881440, 936530, 1070320, 1234016, 1311142, 1498448, 1542520, 1762880, 1873060, 2140640, 2468032, 2622284, 2996896, 3085040, 3277855, 3746120, 4281280, 5244568, 5993792, 6170080, 6555710, 7492240, 10489136, 12340160, 13111420, 14984480, 20978272, 26222840, 29968960, 41956544, 52445680, 104891360, 209782720]

約数ペア:

[(1, 209782720), (2, 104891360), (4, 52445680), (5, 41956544), (7, 29968960), (8, 26222840), (10, 20978272), (14, 14984480), (16, 13111420), (17, 12340160), (20, 10489136), (28, 7492240), (32, 6555710), (34, 6170080), (35, 5993792), (40, 5244568), (49, 4281280), (56, 3746120), (64, 3277855), (68, 3085040), (70, 2996896), (80, 2622284), (85, 2468032), (98, 2140640), (112, 1873060), (119, 1762880), (136, 1542520), (140, 1498448), (160, 1311142), (170, 1234016), (196, 1070320), (224, 936530), (238, 881440), (245, 856256), (272, 771260), (280, 749224), (320, 655571), (340, 617008), (392, 535160), (448, 468265), (476, 440720), (490, 428128), (544, 385630), (560, 374612), (595, 352576), (680, 308504), (784, 267580), (787, 266560), (833, 251840), (952, 220360), (980, 214064), (1088, 192815), (1120, 187306), (1190, 176288), (1360, 154252), (1568, 133790), (1574, 133280), (1666, 125920), (1904, 110180), (1960, 107032), (2240, 93653), (2380, 88144), (2720, 77126), (3136, 66895), (3148, 66640), (3332, 62960), (3808, 55090), (3920, 53516), (3935, 53312), (4165, 50368), (4760, 44072), (5440, 38563), (5509, 38080), (6296, 33320), (6664, 31480), (7616, 27545), (7840, 26758), (7870, 26656), (8330, 25184), (9520, 22036), (11018, 19040), (12592, 16660), (13328, 15740), (13379, 15680)]