388585000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 989683200

約数和(自身を除く): 601098200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 31, 40, 46, 50, 62, 92, 100, 109, 115, 124, 125, 155, 184, 200, 218, 230, 248, 250, 310, 436, 460, 500, 545, 575, 620, 625, 713, 775, 872, 920, 1000, 1090, 1150, 1240, 1250, 1426, 1550, 2180, 2300, 2500, 2507, 2725, 2852, 2875, 3100, 3379, 3565, 3875, 4360, 4600, 5000, 5014, 5450, 5704, 5750, 6200, 6758, 7130, 7750, 10028, 10900, 11500, 12535, 13516, 13625, 14260, 14375, 15500, 16895, 17825, 19375, 20056, 21800, 23000, 25070, 27032, 27250, 28520, 28750, 31000, 33790, 35650, 38750, 50140, 54500, 57500, 62675, 67580, 68125, 71300, 77500, 77717, 84475, 89125, 100280, 109000, 115000, 125350, 135160, 136250, 142600, 155000, 155434, 168950, 178250, 250700, 272500, 310868, 313375, 337900, 356500, 388585, 422375, 445625, 501400, 545000, 621736, 626750, 675800, 713000, 777170, 844750, 891250, 1253500, 1554340, 1566875, 1689500, 1782500, 1942925, 2111875, 2507000, 3108680, 3133750, 3379000, 3565000, 3885850, 4223750, 6267500, 7771700, 8447500, 9714625, 12535000, 15543400, 16895000, 19429250, 38858500, 48573125, 77717000, 97146250, 194292500, 388585000]

約数ペア:

[(1, 388585000), (2, 194292500), (4, 97146250), (5, 77717000), (8, 48573125), (10, 38858500), (20, 19429250), (23, 16895000), (25, 15543400), (31, 12535000), (40, 9714625), (46, 8447500), (50, 7771700), (62, 6267500), (92, 4223750), (100, 3885850), (109, 3565000), (115, 3379000), (124, 3133750), (125, 3108680), (155, 2507000), (184, 2111875), (200, 1942925), (218, 1782500), (230, 1689500), (248, 1566875), (250, 1554340), (310, 1253500), (436, 891250), (460, 844750), (500, 777170), (545, 713000), (575, 675800), (620, 626750), (625, 621736), (713, 545000), (775, 501400), (872, 445625), (920, 422375), (1000, 388585), (1090, 356500), (1150, 337900), (1240, 313375), (1250, 310868), (1426, 272500), (1550, 250700), (2180, 178250), (2300, 168950), (2500, 155434), (2507, 155000), (2725, 142600), (2852, 136250), (2875, 135160), (3100, 125350), (3379, 115000), (3565, 109000), (3875, 100280), (4360, 89125), (4600, 84475), (5000, 77717), (5014, 77500), (5450, 71300), (5704, 68125), (5750, 67580), (6200, 62675), (6758, 57500), (7130, 54500), (7750, 50140), (10028, 38750), (10900, 35650), (11500, 33790), (12535, 31000), (13516, 28750), (13625, 28520), (14260, 27250), (14375, 27032), (15500, 25070), (16895, 23000), (17825, 21800), (19375, 20056)]