201717680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132709}}^1$

素因数の和:132741

約数の個数: 40

約数和(自身を含む): 493681200

約数和(自身を除く): 291963520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132709, 265418, 530836, 663545, 1061672, 1327090, 2123344, 2521471, 2654180, 5042942, 5308360, 10085884, 10616720, 12607355, 20171768, 25214710, 40343536, 50429420, 100858840, 201717680]

約数ペア:

[(1, 201717680), (2, 100858840), (4, 50429420), (5, 40343536), (8, 25214710), (10, 20171768), (16, 12607355), (19, 10616720), (20, 10085884), (38, 5308360), (40, 5042942), (76, 2654180), (80, 2521471), (95, 2123344), (152, 1327090), (190, 1061672), (304, 663545), (380, 530836), (760, 265418), (1520, 132709)]