99949025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 150407040

約数和(自身を除く): 50458015

約数列:

[1, 5, 11, 19, 25, 37, 47, 55, 95, 121, 185, 209, 235, 275, 407, 475, 517, 605, 703, 893, 925, 1045, 1175, 1739, 2035, 2299, 2585, 3025, 3515, 4465, 4477, 5225, 5687, 7733, 8695, 9823, 10175, 11495, 12925, 17575, 19129, 22325, 22385, 28435, 33041, 38665, 43475, 49115, 57475, 85063, 95645, 108053, 111925, 142175, 165205, 193325, 210419, 245575, 363451, 425315, 478225, 540265, 826025, 1052095, 1817255, 2126575, 2701325, 3997961, 5260475, 9086275, 19989805, 99949025]

約数ペア:

[(1, 99949025), (5, 19989805), (11, 9086275), (19, 5260475), (25, 3997961), (37, 2701325), (47, 2126575), (55, 1817255), (95, 1052095), (121, 826025), (185, 540265), (209, 478225), (235, 425315), (275, 363451), (407, 245575), (475, 210419), (517, 193325), (605, 165205), (703, 142175), (893, 111925), (925, 108053), (1045, 95645), (1175, 85063), (1739, 57475), (2035, 49115), (2299, 43475), (2585, 38665), (3025, 33041), (3515, 28435), (4465, 22385), (4477, 22325), (5225, 19129), (5687, 17575), (7733, 12925), (8695, 11495), (9823, 10175)]