28280300

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{727}}^1$

素因数の和:1130

約数の個数: 36

約数和(自身を含む): 61610640

約数和(自身を除く): 33330340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 727, 778, 1454, 1556, 1945, 2908, 3635, 3890, 7270, 7780, 9725, 14540, 18175, 19450, 36350, 38900, 72700, 282803, 565606, 1131212, 1414015, 2828030, 5656060, 7070075, 14140150, 28280300]

約数ペア:

[(1, 28280300), (2, 14140150), (4, 7070075), (5, 5656060), (10, 2828030), (20, 1414015), (25, 1131212), (50, 565606), (100, 282803), (389, 72700), (727, 38900), (778, 36350), (1454, 19450), (1556, 18175), (1945, 14540), (2908, 9725), (3635, 7780), (3890, 7270)]