454572220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 1003946832

約数和(自身を除く): 549374612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 353, 620, 670, 706, 961, 1340, 1412, 1765, 1922, 2077, 3530, 3844, 4154, 4805, 7060, 8308, 9610, 10385, 10943, 19220, 20770, 21886, 23651, 41540, 43772, 47302, 54715, 64387, 94604, 109430, 118255, 128774, 218860, 236510, 257548, 321935, 339233, 473020, 643870, 678466, 733181, 1287740, 1356932, 1466362, 1696165, 2932724, 3392330, 3665905, 6784660, 7331810, 14663620, 22728611, 45457222, 90914444, 113643055, 227286110, 454572220]

約数ペア:

[(1, 454572220), (2, 227286110), (4, 113643055), (5, 90914444), (10, 45457222), (20, 22728611), (31, 14663620), (62, 7331810), (67, 6784660), (124, 3665905), (134, 3392330), (155, 2932724), (268, 1696165), (310, 1466362), (335, 1356932), (353, 1287740), (620, 733181), (670, 678466), (706, 643870), (961, 473020), (1340, 339233), (1412, 321935), (1765, 257548), (1922, 236510), (2077, 218860), (3530, 128774), (3844, 118255), (4154, 109430), (4805, 94604), (7060, 64387), (8308, 54715), (9610, 47302), (10385, 43772), (10943, 41540), (19220, 23651), (20770, 21886)]