1008272020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{4099}}^1$

素因数の和:4373

約数の個数: 72

約数和(自身を含む): 2473480800

約数和(自身を除く): 1465208780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 980, 1004, 1255, 1757, 2510, 3514, 4099, 5020, 7028, 8198, 8785, 12299, 16396, 17570, 20495, 24598, 28693, 35140, 40990, 49196, 57386, 61495, 81980, 114772, 122990, 143465, 200851, 245980, 286930, 401702, 573860, 803404, 1004255, 1028849, 2008510, 2057698, 4017020, 4115396, 5144245, 7201943, 10288490, 14403886, 20576980, 28807772, 36009715, 50413601, 72019430, 100827202, 144038860, 201654404, 252068005, 504136010, 1008272020]

約数ペア:

[(1, 1008272020), (2, 504136010), (4, 252068005), (5, 201654404), (7, 144038860), (10, 100827202), (14, 72019430), (20, 50413601), (28, 36009715), (35, 28807772), (49, 20576980), (70, 14403886), (98, 10288490), (140, 7201943), (196, 5144245), (245, 4115396), (251, 4017020), (490, 2057698), (502, 2008510), (980, 1028849), (1004, 1004255), (1255, 803404), (1757, 573860), (2510, 401702), (3514, 286930), (4099, 245980), (5020, 200851), (7028, 143465), (8198, 122990), (8785, 114772), (12299, 81980), (16396, 61495), (17570, 57386), (20495, 49196), (24598, 40990), (28693, 35140)]