490547840

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5851}}^1$

素因数の和:6001

約数の個数: 64

約数和(自身を含む): 1181869920

約数和(自身を除く): 691322080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 5851, 8384, 10480, 11702, 16768, 20960, 23404, 29255, 41920, 46808, 58510, 83840, 93616, 117020, 187232, 234040, 374464, 468080, 748928, 766481, 936160, 1532962, 1872320, 3065924, 3744640, 3832405, 6131848, 7664810, 12263696, 15329620, 24527392, 30659240, 49054784, 61318480, 98109568, 122636960, 245273920, 490547840]

約数ペア:

[(1, 490547840), (2, 245273920), (4, 122636960), (5, 98109568), (8, 61318480), (10, 49054784), (16, 30659240), (20, 24527392), (32, 15329620), (40, 12263696), (64, 7664810), (80, 6131848), (128, 3832405), (131, 3744640), (160, 3065924), (262, 1872320), (320, 1532962), (524, 936160), (640, 766481), (655, 748928), (1048, 468080), (1310, 374464), (2096, 234040), (2620, 187232), (4192, 117020), (5240, 93616), (5851, 83840), (8384, 58510), (10480, 46808), (11702, 41920), (16768, 29255), (20960, 23404)]