157045000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 428698710

約数和(自身を除く): 271653710

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 641, 700, 875, 980, 1000, 1225, 1250, 1282, 1400, 1750, 1960, 2450, 2500, 2564, 3205, 3500, 4375, 4487, 4900, 5000, 5128, 6125, 6410, 7000, 8750, 8974, 9800, 12250, 12820, 16025, 17500, 17948, 22435, 24500, 25640, 30625, 31409, 32050, 35000, 35896, 44870, 49000, 61250, 62818, 64100, 80125, 89740, 112175, 122500, 125636, 128200, 157045, 160250, 179480, 224350, 245000, 251272, 314090, 320500, 400625, 448700, 560875, 628180, 641000, 785225, 801250, 897400, 1121750, 1256360, 1570450, 1602500, 2243500, 2804375, 3140900, 3205000, 3926125, 4487000, 5608750, 6281800, 7852250, 11217500, 15704500, 19630625, 22435000, 31409000, 39261250, 78522500, 157045000]

約数ペア:

[(1, 157045000), (2, 78522500), (4, 39261250), (5, 31409000), (7, 22435000), (8, 19630625), (10, 15704500), (14, 11217500), (20, 7852250), (25, 6281800), (28, 5608750), (35, 4487000), (40, 3926125), (49, 3205000), (50, 3140900), (56, 2804375), (70, 2243500), (98, 1602500), (100, 1570450), (125, 1256360), (140, 1121750), (175, 897400), (196, 801250), (200, 785225), (245, 641000), (250, 628180), (280, 560875), (350, 448700), (392, 400625), (490, 320500), (500, 314090), (625, 251272), (641, 245000), (700, 224350), (875, 179480), (980, 160250), (1000, 157045), (1225, 128200), (1250, 125636), (1282, 122500), (1400, 112175), (1750, 89740), (1960, 80125), (2450, 64100), (2500, 62818), (2564, 61250), (3205, 49000), (3500, 44870), (4375, 35896), (4487, 35000), (4900, 32050), (5000, 31409), (5128, 30625), (6125, 25640), (6410, 24500), (7000, 22435), (8750, 17948), (8974, 17500), (9800, 16025), (12250, 12820)]