420031250

素因数分解:

$2^1\times 5^6\times {\mathrm{13441}}^1$

素因数の和:13473

約数の個数: 28

約数和(自身を含む): 787607106

約数和(自身を除く): 367575856

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 13441, 15625, 26882, 31250, 67205, 134410, 336025, 672050, 1680125, 3360250, 8400625, 16801250, 42003125, 84006250, 210015625, 420031250]

約数ペア:

[(1, 420031250), (2, 210015625), (5, 84006250), (10, 42003125), (25, 16801250), (50, 8400625), (125, 3360250), (250, 1680125), (625, 672050), (1250, 336025), (3125, 134410), (6250, 67205), (13441, 31250), (15625, 26882)]