900230690

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1\times {\mathrm{1319}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 1637159040

約数和(自身を除く): 736928350

約数列:

[1, 2, 5, 10, 131, 262, 521, 655, 1042, 1310, 1319, 2605, 2638, 5210, 6595, 13190, 68251, 136502, 172789, 341255, 345578, 682510, 687199, 863945, 1374398, 1727890, 3435995, 6871990, 90023069, 180046138, 450115345, 900230690]

約数ペア:

[(1, 900230690), (2, 450115345), (5, 180046138), (10, 90023069), (131, 6871990), (262, 3435995), (521, 1727890), (655, 1374398), (1042, 863945), (1310, 687199), (1319, 682510), (2605, 345578), (2638, 341255), (5210, 172789), (6595, 136502), (13190, 68251)]