201716920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{265417}}^1$

素因数の和:265447

約数の個数: 32

約数和(自身を含む): 477752400

約数和(自身を除く): 276035480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 265417, 530834, 1061668, 1327085, 2123336, 2654170, 5042923, 5308340, 10085846, 10616680, 20171692, 25214615, 40343384, 50429230, 100858460, 201716920]

約数ペア:

[(1, 201716920), (2, 100858460), (4, 50429230), (5, 40343384), (8, 25214615), (10, 20171692), (19, 10616680), (20, 10085846), (38, 5308340), (40, 5042923), (76, 2654170), (95, 2123336), (152, 1327085), (190, 1061668), (380, 530834), (760, 265417)]