201902000

素因数分解:

$2^4\times 5^3\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:823

約数の個数: 80

約数和(自身を含む): 492072672

約数和(自身を除く): 290170672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 157, 200, 250, 314, 400, 500, 628, 643, 785, 1000, 1256, 1286, 1570, 2000, 2512, 2572, 3140, 3215, 3925, 5144, 6280, 6430, 7850, 10288, 12560, 12860, 15700, 16075, 19625, 25720, 31400, 32150, 39250, 51440, 62800, 64300, 78500, 80375, 100951, 128600, 157000, 160750, 201902, 257200, 314000, 321500, 403804, 504755, 643000, 807608, 1009510, 1286000, 1615216, 2019020, 2523775, 4038040, 5047550, 8076080, 10095100, 12618875, 20190200, 25237750, 40380400, 50475500, 100951000, 201902000]

約数ペア:

[(1, 201902000), (2, 100951000), (4, 50475500), (5, 40380400), (8, 25237750), (10, 20190200), (16, 12618875), (20, 10095100), (25, 8076080), (40, 5047550), (50, 4038040), (80, 2523775), (100, 2019020), (125, 1615216), (157, 1286000), (200, 1009510), (250, 807608), (314, 643000), (400, 504755), (500, 403804), (628, 321500), (643, 314000), (785, 257200), (1000, 201902), (1256, 160750), (1286, 157000), (1570, 128600), (2000, 100951), (2512, 80375), (2572, 78500), (3140, 64300), (3215, 62800), (3925, 51440), (5144, 39250), (6280, 32150), (6430, 31400), (7850, 25720), (10288, 19625), (12560, 16075), (12860, 15700)]