686014760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{2251}}^1$

素因数の和:2682

約数の個数: 64

約数和(自身を含む): 1629547200

約数和(自身を除く): 943532440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 401, 760, 802, 1604, 2005, 2251, 3208, 4010, 4502, 7619, 8020, 9004, 11255, 15238, 16040, 18008, 22510, 30476, 38095, 42769, 45020, 60952, 76190, 85538, 90040, 152380, 171076, 213845, 304760, 342152, 427690, 855380, 902651, 1710760, 1805302, 3610604, 4513255, 7221208, 9026510, 17150369, 18053020, 34300738, 36106040, 68601476, 85751845, 137202952, 171503690, 343007380, 686014760]

約数ペア:

[(1, 686014760), (2, 343007380), (4, 171503690), (5, 137202952), (8, 85751845), (10, 68601476), (19, 36106040), (20, 34300738), (38, 18053020), (40, 17150369), (76, 9026510), (95, 7221208), (152, 4513255), (190, 3610604), (380, 1805302), (401, 1710760), (760, 902651), (802, 855380), (1604, 427690), (2005, 342152), (2251, 304760), (3208, 213845), (4010, 171076), (4502, 152380), (7619, 90040), (8020, 85538), (9004, 76190), (11255, 60952), (15238, 45020), (16040, 42769), (18008, 38095), (22510, 30476)]