308190025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 480016152

約数和(自身を除く): 171826127

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 121, 143, 187, 221, 275, 325, 425, 461, 605, 715, 935, 1105, 1573, 2057, 2305, 2431, 3025, 3575, 4675, 5071, 5525, 5993, 7837, 7865, 10285, 11525, 12155, 25355, 26741, 29965, 39185, 39325, 51425, 55781, 60775, 65923, 86207, 101881, 126775, 133705, 149825, 195925, 278905, 329615, 431035, 509405, 668525, 725153, 948277, 1120691, 1394525, 1648075, 2155175, 2547025, 3625765, 4741385, 5603455, 12327601, 18128825, 23706925, 28017275, 61638005, 308190025]

約数ペア:

[(1, 308190025), (5, 61638005), (11, 28017275), (13, 23706925), (17, 18128825), (25, 12327601), (55, 5603455), (65, 4741385), (85, 3625765), (121, 2547025), (143, 2155175), (187, 1648075), (221, 1394525), (275, 1120691), (325, 948277), (425, 725153), (461, 668525), (605, 509405), (715, 431035), (935, 329615), (1105, 278905), (1573, 195925), (2057, 149825), (2305, 133705), (2431, 126775), (3025, 101881), (3575, 86207), (4675, 65923), (5071, 60775), (5525, 55781), (5993, 51425), (7837, 39325), (7865, 39185), (10285, 29965), (11525, 26741), (12155, 25355)]