28457800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20327}}^1$

素因数の和:20350

約数の個数: 48

約数和(自身を含む): 75620160

約数和(自身を除く): 47162360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20327, 40654, 81308, 101635, 142289, 162616, 203270, 284578, 406540, 508175, 569156, 711445, 813080, 1016350, 1138312, 1422890, 2032700, 2845780, 3557225, 4065400, 5691560, 7114450, 14228900, 28457800]

約数ペア:

[(1, 28457800), (2, 14228900), (4, 7114450), (5, 5691560), (7, 4065400), (8, 3557225), (10, 2845780), (14, 2032700), (20, 1422890), (25, 1138312), (28, 1016350), (35, 813080), (40, 711445), (50, 569156), (56, 508175), (70, 406540), (100, 284578), (140, 203270), (175, 162616), (200, 142289), (280, 101635), (350, 81308), (700, 40654), (1400, 20327)]