252021520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 605461248

約数和(自身を除く): 353439728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 97, 188, 194, 235, 376, 388, 470, 485, 691, 752, 776, 940, 970, 1382, 1552, 1880, 1940, 2764, 3455, 3760, 3880, 4559, 5528, 6910, 7760, 9118, 11056, 13820, 18236, 22795, 27640, 32477, 36472, 45590, 55280, 64954, 67027, 72944, 91180, 129908, 134054, 162385, 182360, 259816, 268108, 324770, 335135, 364720, 519632, 536216, 649540, 670270, 1072432, 1299080, 1340540, 2598160, 2681080, 3150269, 5362160, 6300538, 12601076, 15751345, 25202152, 31502690, 50404304, 63005380, 126010760, 252021520]

約数ペア:

[(1, 252021520), (2, 126010760), (4, 63005380), (5, 50404304), (8, 31502690), (10, 25202152), (16, 15751345), (20, 12601076), (40, 6300538), (47, 5362160), (80, 3150269), (94, 2681080), (97, 2598160), (188, 1340540), (194, 1299080), (235, 1072432), (376, 670270), (388, 649540), (470, 536216), (485, 519632), (691, 364720), (752, 335135), (776, 324770), (940, 268108), (970, 259816), (1382, 182360), (1552, 162385), (1880, 134054), (1940, 129908), (2764, 91180), (3455, 72944), (3760, 67027), (3880, 64954), (4559, 55280), (5528, 45590), (6910, 36472), (7760, 32477), (9118, 27640), (11056, 22795), (13820, 18236)]