201530990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491539}}^1$

素因数の和:491587

約数の個数: 16

約数和(自身を含む): 371604240

約数和(自身を除く): 170073250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 491539, 983078, 2457695, 4915390, 20153099, 40306198, 100765495, 201530990]

約数ペア:

[(1, 201530990), (2, 100765495), (5, 40306198), (10, 20153099), (41, 4915390), (82, 2457695), (205, 983078), (410, 491539)]