279626120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{1249}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 654750000

約数和(自身を除く): 375123880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 193, 232, 290, 386, 580, 772, 965, 1160, 1249, 1544, 1930, 2498, 3860, 4996, 5597, 6245, 7720, 9992, 11194, 12490, 22388, 24980, 27985, 36221, 44776, 49960, 55970, 72442, 111940, 144884, 181105, 223880, 241057, 289768, 362210, 482114, 724420, 964228, 1205285, 1448840, 1928456, 2410570, 4821140, 6990653, 9642280, 13981306, 27962612, 34953265, 55925224, 69906530, 139813060, 279626120]

約数ペア:

[(1, 279626120), (2, 139813060), (4, 69906530), (5, 55925224), (8, 34953265), (10, 27962612), (20, 13981306), (29, 9642280), (40, 6990653), (58, 4821140), (116, 2410570), (145, 1928456), (193, 1448840), (232, 1205285), (290, 964228), (386, 724420), (580, 482114), (772, 362210), (965, 289768), (1160, 241057), (1249, 223880), (1544, 181105), (1930, 144884), (2498, 111940), (3860, 72442), (4996, 55970), (5597, 49960), (6245, 44776), (7720, 36221), (9992, 27985), (11194, 24980), (12490, 22388)]