251620000

素因数分解:

$2^5\times 5^4\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:600

約数の個数: 120

約数和(自身を含む): 647117856

約数和(自身を除く): 395497856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 368, 400, 460, 500, 547, 575, 625, 736, 800, 920, 1000, 1094, 1150, 1250, 1840, 2000, 2188, 2300, 2500, 2735, 2875, 3680, 4000, 4376, 4600, 5000, 5470, 5750, 8752, 9200, 10000, 10940, 11500, 12581, 13675, 14375, 17504, 18400, 20000, 21880, 23000, 25162, 27350, 28750, 43760, 46000, 50324, 54700, 57500, 62905, 68375, 87520, 92000, 100648, 109400, 115000, 125810, 136750, 201296, 218800, 230000, 251620, 273500, 314525, 341875, 402592, 437600, 460000, 503240, 547000, 629050, 683750, 1006480, 1094000, 1258100, 1367500, 1572625, 2012960, 2188000, 2516200, 2735000, 3145250, 5032400, 5470000, 6290500, 7863125, 10064800, 10940000, 12581000, 15726250, 25162000, 31452500, 50324000, 62905000, 125810000, 251620000]

約数ペア:

[(1, 251620000), (2, 125810000), (4, 62905000), (5, 50324000), (8, 31452500), (10, 25162000), (16, 15726250), (20, 12581000), (23, 10940000), (25, 10064800), (32, 7863125), (40, 6290500), (46, 5470000), (50, 5032400), (80, 3145250), (92, 2735000), (100, 2516200), (115, 2188000), (125, 2012960), (160, 1572625), (184, 1367500), (200, 1258100), (230, 1094000), (250, 1006480), (368, 683750), (400, 629050), (460, 547000), (500, 503240), (547, 460000), (575, 437600), (625, 402592), (736, 341875), (800, 314525), (920, 273500), (1000, 251620), (1094, 230000), (1150, 218800), (1250, 201296), (1840, 136750), (2000, 125810), (2188, 115000), (2300, 109400), (2500, 100648), (2735, 92000), (2875, 87520), (3680, 68375), (4000, 62905), (4376, 57500), (4600, 54700), (5000, 50324), (5470, 46000), (5750, 43760), (8752, 28750), (9200, 27350), (10000, 25162), (10940, 23000), (11500, 21880), (12581, 20000), (13675, 18400), (14375, 17504)]