8856989290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{1999}}^1$

素因数の和:2479

約数の個数: 64

約数和(自身を含む): 17184960000

約数和(自身を除く): 8327970710

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 389, 670, 778, 1139, 1945, 1999, 2278, 3890, 3998, 5695, 6613, 9995, 11390, 13226, 19990, 26063, 33065, 33983, 52126, 66130, 67966, 130315, 133933, 169915, 260630, 267866, 339830, 443071, 669665, 777611, 886142, 1339330, 1555222, 2215355, 2276861, 3888055, 4430710, 4553722, 7776110, 11384305, 13219387, 22768610, 26438774, 52099937, 66096935, 104199874, 132193870, 260499685, 520999370, 885698929, 1771397858, 4428494645, 8856989290]

約数ペア:

[(1, 8856989290), (2, 4428494645), (5, 1771397858), (10, 885698929), (17, 520999370), (34, 260499685), (67, 132193870), (85, 104199874), (134, 66096935), (170, 52099937), (335, 26438774), (389, 22768610), (670, 13219387), (778, 11384305), (1139, 7776110), (1945, 4553722), (1999, 4430710), (2278, 3888055), (3890, 2276861), (3998, 2215355), (5695, 1555222), (6613, 1339330), (9995, 886142), (11390, 777611), (13226, 669665), (19990, 443071), (26063, 339830), (33065, 267866), (33983, 260630), (52126, 169915), (66130, 133933), (67966, 130315)]