201290500

素因数分解:

$2^2\times 5^3\times {\mathrm{402581}}^1$

素因数の和:402600

約数の個数: 24

約数和(自身を含む): 439619544

約数和(自身を除く): 238329044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 402581, 805162, 1610324, 2012905, 4025810, 8051620, 10064525, 20129050, 40258100, 50322625, 100645250, 201290500]

約数ペア:

[(1, 201290500), (2, 100645250), (4, 50322625), (5, 40258100), (10, 20129050), (20, 10064525), (25, 8051620), (50, 4025810), (100, 2012905), (125, 1610324), (250, 805162), (500, 402581)]