1570450000

素因数分解:

$2^4\times 5^5\times 7^2\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 180

約数和(自身を含む): 4431021084

約数和(自身を除く): 2860571084

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 625, 641, 700, 784, 875, 980, 1000, 1225, 1250, 1282, 1400, 1750, 1960, 2000, 2450, 2500, 2564, 2800, 3125, 3205, 3500, 3920, 4375, 4487, 4900, 5000, 5128, 6125, 6250, 6410, 7000, 8750, 8974, 9800, 10000, 10256, 12250, 12500, 12820, 14000, 16025, 17500, 17948, 19600, 21875, 22435, 24500, 25000, 25640, 30625, 31409, 32050, 35000, 35896, 43750, 44870, 49000, 50000, 51280, 61250, 62818, 64100, 70000, 71792, 80125, 87500, 89740, 98000, 112175, 122500, 125636, 128200, 153125, 157045, 160250, 175000, 179480, 224350, 245000, 251272, 256400, 306250, 314090, 320500, 350000, 358960, 400625, 448700, 490000, 502544, 560875, 612500, 628180, 641000, 785225, 801250, 897400, 1121750, 1225000, 1256360, 1282000, 1570450, 1602500, 1794800, 2003125, 2243500, 2450000, 2512720, 2804375, 3140900, 3205000, 3926125, 4006250, 4487000, 5608750, 6281800, 6410000, 7852250, 8012500, 8974000, 11217500, 12563600, 14021875, 15704500, 16025000, 19630625, 22435000, 28043750, 31409000, 32050000, 39261250, 44870000, 56087500, 62818000, 78522500, 98153125, 112175000, 157045000, 196306250, 224350000, 314090000, 392612500, 785225000, 1570450000]

約数ペア:

[(1, 1570450000), (2, 785225000), (4, 392612500), (5, 314090000), (7, 224350000), (8, 196306250), (10, 157045000), (14, 112175000), (16, 98153125), (20, 78522500), (25, 62818000), (28, 56087500), (35, 44870000), (40, 39261250), (49, 32050000), (50, 31409000), (56, 28043750), (70, 22435000), (80, 19630625), (98, 16025000), (100, 15704500), (112, 14021875), (125, 12563600), (140, 11217500), (175, 8974000), (196, 8012500), (200, 7852250), (245, 6410000), (250, 6281800), (280, 5608750), (350, 4487000), (392, 4006250), (400, 3926125), (490, 3205000), (500, 3140900), (560, 2804375), (625, 2512720), (641, 2450000), (700, 2243500), (784, 2003125), (875, 1794800), (980, 1602500), (1000, 1570450), (1225, 1282000), (1250, 1256360), (1282, 1225000), (1400, 1121750), (1750, 897400), (1960, 801250), (2000, 785225), (2450, 641000), (2500, 628180), (2564, 612500), (2800, 560875), (3125, 502544), (3205, 490000), (3500, 448700), (3920, 400625), (4375, 358960), (4487, 350000), (4900, 320500), (5000, 314090), (5128, 306250), (6125, 256400), (6250, 251272), (6410, 245000), (7000, 224350), (8750, 179480), (8974, 175000), (9800, 160250), (10000, 157045), (10256, 153125), (12250, 128200), (12500, 125636), (12820, 122500), (14000, 112175), (16025, 98000), (17500, 89740), (17948, 87500), (19600, 80125), (21875, 71792), (22435, 70000), (24500, 64100), (25000, 62818), (25640, 61250), (30625, 51280), (31409, 50000), (32050, 49000), (35000, 44870), (35896, 43750)]