718565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20287}}^1$

素因数の和:20337

約数の個数: 96

約数和(自身を含む): 1963229184

約数和(自身を除く): 1244663644

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 5060, 7084, 8855, 17710, 20287, 35420, 40574, 81148, 101435, 142009, 202870, 223157, 284018, 405740, 446314, 466601, 568036, 710045, 892628, 933202, 1115785, 1420090, 1562099, 1866404, 2231570, 2333005, 2840180, 3124198, 3266207, 4463140, 4666010, 5132611, 6248396, 6532414, 7810495, 9332020, 10265222, 13064828, 15620990, 16331035, 20530444, 25663055, 31241980, 32662070, 35928277, 51326110, 65324140, 71856554, 102652220, 143713108, 179641385, 359282770, 718565540]

約数ペア:

[(1, 718565540), (2, 359282770), (4, 179641385), (5, 143713108), (7, 102652220), (10, 71856554), (11, 65324140), (14, 51326110), (20, 35928277), (22, 32662070), (23, 31241980), (28, 25663055), (35, 20530444), (44, 16331035), (46, 15620990), (55, 13064828), (70, 10265222), (77, 9332020), (92, 7810495), (110, 6532414), (115, 6248396), (140, 5132611), (154, 4666010), (161, 4463140), (220, 3266207), (230, 3124198), (253, 2840180), (308, 2333005), (322, 2231570), (385, 1866404), (460, 1562099), (506, 1420090), (644, 1115785), (770, 933202), (805, 892628), (1012, 710045), (1265, 568036), (1540, 466601), (1610, 446314), (1771, 405740), (2530, 284018), (3220, 223157), (3542, 202870), (5060, 142009), (7084, 101435), (8855, 81148), (17710, 40574), (20287, 35420)]