28880200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{733}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 67579380

約数和(自身を除く): 38699180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 733, 788, 985, 1466, 1576, 1970, 2932, 3665, 3940, 4925, 5864, 7330, 7880, 9850, 14660, 18325, 19700, 29320, 36650, 39400, 73300, 144401, 146600, 288802, 577604, 722005, 1155208, 1444010, 2888020, 3610025, 5776040, 7220050, 14440100, 28880200]

約数ペア:

[(1, 28880200), (2, 14440100), (4, 7220050), (5, 5776040), (8, 3610025), (10, 2888020), (20, 1444010), (25, 1155208), (40, 722005), (50, 577604), (100, 288802), (197, 146600), (200, 144401), (394, 73300), (733, 39400), (788, 36650), (985, 29320), (1466, 19700), (1576, 18325), (1970, 14660), (2932, 9850), (3665, 7880), (3940, 7330), (4925, 5864)]