28919600

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:582

約数の個数: 60

約数和(自身を含む): 70022304

約数和(自身を除く): 41102704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 367, 394, 400, 734, 788, 985, 1468, 1576, 1835, 1970, 2936, 3152, 3670, 3940, 4925, 5872, 7340, 7880, 9175, 9850, 14680, 15760, 18350, 19700, 29360, 36700, 39400, 72299, 73400, 78800, 144598, 146800, 289196, 361495, 578392, 722990, 1156784, 1445980, 1807475, 2891960, 3614950, 5783920, 7229900, 14459800, 28919600]

約数ペア:

[(1, 28919600), (2, 14459800), (4, 7229900), (5, 5783920), (8, 3614950), (10, 2891960), (16, 1807475), (20, 1445980), (25, 1156784), (40, 722990), (50, 578392), (80, 361495), (100, 289196), (197, 146800), (200, 144598), (367, 78800), (394, 73400), (400, 72299), (734, 39400), (788, 36700), (985, 29360), (1468, 19700), (1576, 18350), (1835, 15760), (1970, 14680), (2936, 9850), (3152, 9175), (3670, 7880), (3940, 7340), (4925, 5872)]