21903765625

素因数分解:

$5^6\times 7^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 112

約数和(自身を含む): 32937078400

約数和(自身を除く): 11033312775

約数列:

[1, 5, 7, 25, 35, 49, 61, 67, 125, 175, 245, 305, 335, 343, 427, 469, 625, 875, 1225, 1525, 1675, 1715, 2135, 2345, 2989, 3125, 3283, 4087, 4375, 6125, 7625, 8375, 8575, 10675, 11725, 14945, 15625, 16415, 20435, 20923, 21875, 22981, 28609, 30625, 38125, 41875, 42875, 53375, 58625, 74725, 82075, 102175, 104615, 109375, 114905, 143045, 153125, 190625, 200263, 209375, 214375, 266875, 293125, 373625, 410375, 510875, 523075, 574525, 715225, 765625, 953125, 1001315, 1046875, 1071875, 1334375, 1401841, 1465625, 1868125, 2051875, 2554375, 2615375, 2872625, 3576125, 5006575, 5359375, 6671875, 7009205, 7328125, 9340625, 10259375, 12771875, 13076875, 14363125, 17880625, 25032875, 35046025, 46703125, 51296875, 63859375, 65384375, 71815625, 89403125, 125164375, 175230125, 326921875, 359078125, 447015625, 625821875, 876150625, 3129109375, 4380753125, 21903765625]

約数ペア:

[(1, 21903765625), (5, 4380753125), (7, 3129109375), (25, 876150625), (35, 625821875), (49, 447015625), (61, 359078125), (67, 326921875), (125, 175230125), (175, 125164375), (245, 89403125), (305, 71815625), (335, 65384375), (343, 63859375), (427, 51296875), (469, 46703125), (625, 35046025), (875, 25032875), (1225, 17880625), (1525, 14363125), (1675, 13076875), (1715, 12771875), (2135, 10259375), (2345, 9340625), (2989, 7328125), (3125, 7009205), (3283, 6671875), (4087, 5359375), (4375, 5006575), (6125, 3576125), (7625, 2872625), (8375, 2615375), (8575, 2554375), (10675, 2051875), (11725, 1868125), (14945, 1465625), (15625, 1401841), (16415, 1334375), (20435, 1071875), (20923, 1046875), (21875, 1001315), (22981, 953125), (28609, 765625), (30625, 715225), (38125, 574525), (41875, 523075), (42875, 510875), (53375, 410375), (58625, 373625), (74725, 293125), (82075, 266875), (102175, 214375), (104615, 209375), (109375, 200263), (114905, 190625), (143045, 153125)]