85831420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 183935808

約数和(自身を除く): 98104388

約数列:

[1, 2, 4, 5, 10, 20, 97, 151, 194, 293, 302, 388, 485, 586, 604, 755, 970, 1172, 1465, 1510, 1940, 2930, 3020, 5860, 14647, 28421, 29294, 44243, 56842, 58588, 73235, 88486, 113684, 142105, 146470, 176972, 221215, 284210, 292940, 442430, 568420, 884860, 4291571, 8583142, 17166284, 21457855, 42915710, 85831420]

約数ペア:

[(1, 85831420), (2, 42915710), (4, 21457855), (5, 17166284), (10, 8583142), (20, 4291571), (97, 884860), (151, 568420), (194, 442430), (293, 292940), (302, 284210), (388, 221215), (485, 176972), (586, 146470), (604, 142105), (755, 113684), (970, 88486), (1172, 73235), (1465, 58588), (1510, 56842), (1940, 44243), (2930, 29294), (3020, 28421), (5860, 14647)]