202470980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{77279}}^1$

素因数の和:77419

約数の個数: 24

約数和(自身を含む): 428440320

約数和(自身を除く): 225969340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 77279, 154558, 309116, 386395, 772790, 1545580, 10123549, 20247098, 40494196, 50617745, 101235490, 202470980]

約数ペア:

[(1, 202470980), (2, 101235490), (4, 50617745), (5, 40494196), (10, 20247098), (20, 10123549), (131, 1545580), (262, 772790), (524, 386395), (655, 309116), (1310, 154558), (2620, 77279)]