18144700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{23}}^2$

素因数の和:81

約数の個数: 108

約数和(自身を含む): 48000400

約数和(自身を除く): 29855700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 230, 245, 322, 343, 350, 460, 490, 529, 575, 644, 686, 700, 805, 980, 1058, 1127, 1150, 1225, 1372, 1610, 1715, 2116, 2254, 2300, 2450, 2645, 3220, 3430, 3703, 4025, 4508, 4900, 5290, 5635, 6860, 7406, 7889, 8050, 8575, 10580, 11270, 13225, 14812, 15778, 16100, 17150, 18515, 22540, 25921, 26450, 28175, 31556, 34300, 37030, 39445, 51842, 52900, 56350, 74060, 78890, 92575, 103684, 112700, 129605, 157780, 181447, 185150, 197225, 259210, 362894, 370300, 394450, 518420, 648025, 725788, 788900, 907235, 1296050, 1814470, 2592100, 3628940, 4536175, 9072350, 18144700]

約数ペア:

[(1, 18144700), (2, 9072350), (4, 4536175), (5, 3628940), (7, 2592100), (10, 1814470), (14, 1296050), (20, 907235), (23, 788900), (25, 725788), (28, 648025), (35, 518420), (46, 394450), (49, 370300), (50, 362894), (70, 259210), (92, 197225), (98, 185150), (100, 181447), (115, 157780), (140, 129605), (161, 112700), (175, 103684), (196, 92575), (230, 78890), (245, 74060), (322, 56350), (343, 52900), (350, 51842), (460, 39445), (490, 37030), (529, 34300), (575, 31556), (644, 28175), (686, 26450), (700, 25921), (805, 22540), (980, 18515), (1058, 17150), (1127, 16100), (1150, 15778), (1225, 14812), (1372, 13225), (1610, 11270), (1715, 10580), (2116, 8575), (2254, 8050), (2300, 7889), (2450, 7406), (2645, 6860), (3220, 5635), (3430, 5290), (3703, 4900), (4025, 4508)]