226781800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 623715660

約数和(自身を除く): 396933860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 98, 100, 140, 146, 175, 196, 200, 245, 280, 292, 317, 350, 365, 392, 490, 511, 584, 634, 700, 730, 980, 1022, 1225, 1268, 1400, 1460, 1585, 1825, 1960, 2044, 2219, 2450, 2536, 2555, 2920, 3170, 3577, 3650, 4088, 4438, 4900, 5110, 6340, 7154, 7300, 7925, 8876, 9800, 10220, 11095, 12680, 12775, 14308, 14600, 15533, 15850, 17752, 17885, 20440, 22190, 23141, 25550, 28616, 31066, 31700, 35770, 44380, 46282, 51100, 55475, 62132, 63400, 71540, 77665, 88760, 89425, 92564, 102200, 110950, 115705, 124264, 143080, 155330, 161987, 178850, 185128, 221900, 231410, 310660, 323974, 357700, 388325, 443800, 462820, 578525, 621320, 647948, 715400, 776650, 809935, 925640, 1133909, 1157050, 1295896, 1553300, 1619870, 2267818, 2314100, 3106600, 3239740, 4049675, 4535636, 4628200, 5669545, 6479480, 8099350, 9071272, 11339090, 16198700, 22678180, 28347725, 32397400, 45356360, 56695450, 113390900, 226781800]

約数ペア:

[(1, 226781800), (2, 113390900), (4, 56695450), (5, 45356360), (7, 32397400), (8, 28347725), (10, 22678180), (14, 16198700), (20, 11339090), (25, 9071272), (28, 8099350), (35, 6479480), (40, 5669545), (49, 4628200), (50, 4535636), (56, 4049675), (70, 3239740), (73, 3106600), (98, 2314100), (100, 2267818), (140, 1619870), (146, 1553300), (175, 1295896), (196, 1157050), (200, 1133909), (245, 925640), (280, 809935), (292, 776650), (317, 715400), (350, 647948), (365, 621320), (392, 578525), (490, 462820), (511, 443800), (584, 388325), (634, 357700), (700, 323974), (730, 310660), (980, 231410), (1022, 221900), (1225, 185128), (1268, 178850), (1400, 161987), (1460, 155330), (1585, 143080), (1825, 124264), (1960, 115705), (2044, 110950), (2219, 102200), (2450, 92564), (2536, 89425), (2555, 88760), (2920, 77665), (3170, 71540), (3577, 63400), (3650, 62132), (4088, 55475), (4438, 51100), (4900, 46282), (5110, 44380), (6340, 35770), (7154, 31700), (7300, 31066), (7925, 28616), (8876, 25550), (9800, 23141), (10220, 22190), (11095, 20440), (12680, 17885), (12775, 17752), (14308, 15850), (14600, 15533)]