420151250

素因数分解:

$2^1\times 5^4\times {\mathrm{336121}}^1$

素因数の和:336143

約数の個数: 20

約数和(自身を含む): 787533846

約数和(自身を除く): 367382596

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 336121, 672242, 1680605, 3361210, 8403025, 16806050, 42015125, 84030250, 210075625, 420151250]

約数ペア:

[(1, 420151250), (2, 210075625), (5, 84030250), (10, 42015125), (25, 16806050), (50, 8403025), (125, 3361210), (250, 1680605), (625, 672242), (1250, 336121)]