2005403950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{117619}}^1$

素因数の和:117673

約数の個数: 48

約数和(自身を含む): 4200445440

約数和(自身を除く): 2195041490

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 155, 275, 310, 341, 550, 682, 775, 1550, 1705, 3410, 8525, 17050, 117619, 235238, 588095, 1176190, 1293809, 2587618, 2940475, 3646189, 5880950, 6469045, 7292378, 12938090, 18230945, 32345225, 36461890, 40108079, 64690450, 80216158, 91154725, 182309450, 200540395, 401080790, 1002701975, 2005403950]

約数ペア:

[(1, 2005403950), (2, 1002701975), (5, 401080790), (10, 200540395), (11, 182309450), (22, 91154725), (25, 80216158), (31, 64690450), (50, 40108079), (55, 36461890), (62, 32345225), (110, 18230945), (155, 12938090), (275, 7292378), (310, 6469045), (341, 5880950), (550, 3646189), (682, 2940475), (775, 2587618), (1550, 1293809), (1705, 1176190), (3410, 588095), (8525, 235238), (17050, 117619)]