28249900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40357}}^1$

素因数の和:40378

約数の個数: 36

約数和(自身を含む): 70061488

約数和(自身を除く): 41811588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40357, 80714, 161428, 201785, 282499, 403570, 564998, 807140, 1008925, 1129996, 1412495, 2017850, 2824990, 4035700, 5649980, 7062475, 14124950, 28249900]

約数ペア:

[(1, 28249900), (2, 14124950), (4, 7062475), (5, 5649980), (7, 4035700), (10, 2824990), (14, 2017850), (20, 1412495), (25, 1129996), (28, 1008925), (35, 807140), (50, 564998), (70, 403570), (100, 282499), (140, 201785), (175, 161428), (350, 80714), (700, 40357)]