1291036700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16573}}^1$

素因数の和:16647

約数の個数: 72

約数和(自身を含む): 3021108720

約数和(自身を除く): 1730072020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2050, 3116, 3895, 4100, 7790, 15580, 16573, 19475, 33146, 38950, 66292, 77900, 82865, 165730, 314887, 331460, 414325, 629774, 679493, 828650, 1259548, 1358986, 1574435, 1657300, 2717972, 3148870, 3397465, 6297740, 6794930, 7872175, 12910367, 13589860, 15744350, 16987325, 25820734, 31488700, 33974650, 51641468, 64551835, 67949300, 129103670, 258207340, 322759175, 645518350, 1291036700]

約数ペア:

[(1, 1291036700), (2, 645518350), (4, 322759175), (5, 258207340), (10, 129103670), (19, 67949300), (20, 64551835), (25, 51641468), (38, 33974650), (41, 31488700), (50, 25820734), (76, 16987325), (82, 15744350), (95, 13589860), (100, 12910367), (164, 7872175), (190, 6794930), (205, 6297740), (380, 3397465), (410, 3148870), (475, 2717972), (779, 1657300), (820, 1574435), (950, 1358986), (1025, 1259548), (1558, 828650), (1900, 679493), (2050, 629774), (3116, 414325), (3895, 331460), (4100, 314887), (7790, 165730), (15580, 82865), (16573, 77900), (19475, 66292), (33146, 38950)]