280155852

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 753480000

約数和(自身を除く): 473324148

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 229, 306, 458, 612, 687, 916, 1374, 1999, 2061, 2748, 3893, 3998, 4122, 5997, 7786, 7996, 8244, 11679, 11994, 15572, 17991, 23358, 23988, 33983, 35037, 35982, 46716, 67966, 70074, 71964, 101949, 135932, 140148, 203898, 305847, 407796, 457771, 611694, 915542, 1223388, 1373313, 1831084, 2746626, 4119939, 5493252, 7782107, 8239878, 15564214, 16479756, 23346321, 31128428, 46692642, 70038963, 93385284, 140077926, 280155852]

約数ペア:

[(1, 280155852), (2, 140077926), (3, 93385284), (4, 70038963), (6, 46692642), (9, 31128428), (12, 23346321), (17, 16479756), (18, 15564214), (34, 8239878), (36, 7782107), (51, 5493252), (68, 4119939), (102, 2746626), (153, 1831084), (204, 1373313), (229, 1223388), (306, 915542), (458, 611694), (612, 457771), (687, 407796), (916, 305847), (1374, 203898), (1999, 140148), (2061, 135932), (2748, 101949), (3893, 71964), (3998, 70074), (4122, 67966), (5997, 46716), (7786, 35982), (7996, 35037), (8244, 33983), (11679, 23988), (11994, 23358), (15572, 17991)]