409408720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1569

約数の個数: 120

約数和(自身を含む): 1123642368

約数和(自身を除く): 714233648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1136, 1420, 1471, 1960, 1988, 2485, 2840, 2942, 3479, 3920, 3976, 4970, 5680, 5884, 6958, 7355, 7952, 9940, 10297, 11768, 13916, 14710, 17395, 19880, 20594, 23536, 27832, 29420, 34790, 39760, 41188, 51485, 55664, 58840, 69580, 72079, 82376, 102970, 104441, 117680, 139160, 144158, 164752, 205940, 208882, 278320, 288316, 360395, 411880, 417764, 522205, 576632, 720790, 731087, 823760, 835528, 1044410, 1153264, 1441580, 1462174, 1671056, 2088820, 2883160, 2924348, 3655435, 4177640, 5117609, 5766320, 5848696, 7310870, 8355280, 10235218, 11697392, 14621740, 20470436, 25588045, 29243480, 40940872, 51176090, 58486960, 81881744, 102352180, 204704360, 409408720]

約数ペア:

[(1, 409408720), (2, 204704360), (4, 102352180), (5, 81881744), (7, 58486960), (8, 51176090), (10, 40940872), (14, 29243480), (16, 25588045), (20, 20470436), (28, 14621740), (35, 11697392), (40, 10235218), (49, 8355280), (56, 7310870), (70, 5848696), (71, 5766320), (80, 5117609), (98, 4177640), (112, 3655435), (140, 2924348), (142, 2883160), (196, 2088820), (245, 1671056), (280, 1462174), (284, 1441580), (355, 1153264), (392, 1044410), (490, 835528), (497, 823760), (560, 731087), (568, 720790), (710, 576632), (784, 522205), (980, 417764), (994, 411880), (1136, 360395), (1420, 288316), (1471, 278320), (1960, 208882), (1988, 205940), (2485, 164752), (2840, 144158), (2942, 139160), (3479, 117680), (3920, 104441), (3976, 102970), (4970, 82376), (5680, 72079), (5884, 69580), (6958, 58840), (7355, 55664), (7952, 51485), (9940, 41188), (10297, 39760), (11768, 34790), (13916, 29420), (14710, 27832), (17395, 23536), (19880, 20594)]