864915625

素因数分解:

$5^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 1301166720

約数和(自身を除く): 436251095

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 625, 665, 875, 2081, 2375, 3125, 3325, 4375, 10405, 11875, 14567, 16625, 21875, 39539, 52025, 59375, 72835, 83125, 197695, 260125, 276773, 364175, 415625, 988475, 1300625, 1383865, 1820875, 4942375, 6503125, 6919325, 9104375, 24711875, 34596625, 45521875, 123559375, 172983125, 864915625]

約数ペア:

[(1, 864915625), (5, 172983125), (7, 123559375), (19, 45521875), (25, 34596625), (35, 24711875), (95, 9104375), (125, 6919325), (133, 6503125), (175, 4942375), (475, 1820875), (625, 1383865), (665, 1300625), (875, 988475), (2081, 415625), (2375, 364175), (3125, 276773), (3325, 260125), (4375, 197695), (10405, 83125), (11875, 72835), (14567, 59375), (16625, 52025), (21875, 39539)]