190720005

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1999

約数の個数: 64

約数和(自身を含む): 374784000

約数和(自身を除く): 184063995

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 399, 665, 735, 931, 1029, 1715, 1951, 1995, 2793, 4655, 5145, 5853, 6517, 9755, 13657, 13965, 19551, 29265, 32585, 37069, 40971, 68285, 95599, 97755, 111207, 185345, 204855, 259483, 286797, 477995, 556035, 669193, 778449, 1297415, 1433985, 1816381, 2007579, 3345965, 3892245, 5449143, 9081905, 10037895, 12714667, 27245715, 38144001, 63573335, 190720005]

約数ペア:

[(1, 190720005), (3, 63573335), (5, 38144001), (7, 27245715), (15, 12714667), (19, 10037895), (21, 9081905), (35, 5449143), (49, 3892245), (57, 3345965), (95, 2007579), (105, 1816381), (133, 1433985), (147, 1297415), (245, 778449), (285, 669193), (343, 556035), (399, 477995), (665, 286797), (735, 259483), (931, 204855), (1029, 185345), (1715, 111207), (1951, 97755), (1995, 95599), (2793, 68285), (4655, 40971), (5145, 37069), (5853, 32585), (6517, 29265), (9755, 19551), (13657, 13965)]