210801920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{3361}}^1$

素因数の和:3396

約数の個数: 108

約数和(自身を含む): 587549844

約数和(自身を除く): 376747924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3361, 3920, 4480, 6272, 6722, 7840, 8960, 12544, 13444, 15680, 16805, 23527, 26888, 31360, 33610, 47054, 53776, 62720, 67220, 94108, 107552, 117635, 134440, 164689, 188216, 215104, 235270, 268880, 329378, 376432, 430208, 470540, 537760, 658756, 752864, 823445, 860416, 941080, 1075520, 1317512, 1505728, 1646890, 1882160, 2151040, 2635024, 3011456, 3293780, 3764320, 4302080, 5270048, 6022912, 6587560, 7528640, 10540096, 13175120, 15057280, 21080192, 26350240, 30114560, 42160384, 52700480, 105400960, 210801920]

約数ペア:

[(1, 210801920), (2, 105400960), (4, 52700480), (5, 42160384), (7, 30114560), (8, 26350240), (10, 21080192), (14, 15057280), (16, 13175120), (20, 10540096), (28, 7528640), (32, 6587560), (35, 6022912), (40, 5270048), (49, 4302080), (56, 3764320), (64, 3293780), (70, 3011456), (80, 2635024), (98, 2151040), (112, 1882160), (128, 1646890), (140, 1505728), (160, 1317512), (196, 1075520), (224, 941080), (245, 860416), (256, 823445), (280, 752864), (320, 658756), (392, 537760), (448, 470540), (490, 430208), (560, 376432), (640, 329378), (784, 268880), (896, 235270), (980, 215104), (1120, 188216), (1280, 164689), (1568, 134440), (1792, 117635), (1960, 107552), (2240, 94108), (3136, 67220), (3361, 62720), (3920, 53776), (4480, 47054), (6272, 33610), (6722, 31360), (7840, 26888), (8960, 23527), (12544, 16805), (13444, 15680)]