1275657625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 1932053760

約数和(自身を除く): 656396135

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 121, 125, 193, 209, 253, 275, 437, 475, 575, 605, 965, 1045, 1265, 1375, 2123, 2185, 2299, 2375, 2783, 2875, 3025, 3667, 4439, 4807, 4825, 5225, 6325, 10615, 10925, 11495, 13915, 15125, 18335, 22195, 23353, 24035, 24125, 26125, 31625, 40337, 48829, 52877, 53075, 54625, 57475, 69575, 84341, 91675, 110975, 116765, 120175, 201685, 244145, 264385, 265375, 287375, 347875, 421705, 443707, 458375, 537119, 554875, 583825, 600875, 927751, 1008425, 1220725, 1321925, 2108525, 2218535, 2685595, 2919125, 4638755, 5042125, 6103625, 6609625, 10205261, 10542625, 11092675, 13427975, 23193775, 51026305, 55463375, 67139875, 115968875, 255131525, 1275657625]

約数ペア:

[(1, 1275657625), (5, 255131525), (11, 115968875), (19, 67139875), (23, 55463375), (25, 51026305), (55, 23193775), (95, 13427975), (115, 11092675), (121, 10542625), (125, 10205261), (193, 6609625), (209, 6103625), (253, 5042125), (275, 4638755), (437, 2919125), (475, 2685595), (575, 2218535), (605, 2108525), (965, 1321925), (1045, 1220725), (1265, 1008425), (1375, 927751), (2123, 600875), (2185, 583825), (2299, 554875), (2375, 537119), (2783, 458375), (2875, 443707), (3025, 421705), (3667, 347875), (4439, 287375), (4807, 265375), (4825, 264385), (5225, 244145), (6325, 201685), (10615, 120175), (10925, 116765), (11495, 110975), (13915, 91675), (15125, 84341), (18335, 69575), (22195, 57475), (23353, 54625), (24035, 53075), (24125, 52877), (26125, 48829), (31625, 40337)]