78338425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 118742400

約数和(自身を除く): 40403975

約数列:

[1, 5, 11, 19, 25, 29, 47, 55, 95, 121, 145, 209, 235, 275, 319, 475, 517, 551, 605, 725, 893, 1045, 1175, 1363, 1595, 2299, 2585, 2755, 3025, 3509, 4465, 5225, 5687, 6061, 6815, 7975, 9823, 11495, 12925, 13775, 14993, 17545, 22325, 25897, 28435, 30305, 34075, 49115, 57475, 66671, 74965, 87725, 108053, 129485, 142175, 151525, 164923, 245575, 284867, 333355, 374825, 540265, 647425, 824615, 1424335, 1666775, 2701325, 3133537, 4123075, 7121675, 15667685, 78338425]

約数ペア:

[(1, 78338425), (5, 15667685), (11, 7121675), (19, 4123075), (25, 3133537), (29, 2701325), (47, 1666775), (55, 1424335), (95, 824615), (121, 647425), (145, 540265), (209, 374825), (235, 333355), (275, 284867), (319, 245575), (475, 164923), (517, 151525), (551, 142175), (605, 129485), (725, 108053), (893, 87725), (1045, 74965), (1175, 66671), (1363, 57475), (1595, 49115), (2299, 34075), (2585, 30305), (2755, 28435), (3025, 25897), (3509, 22325), (4465, 17545), (5225, 14993), (5687, 13775), (6061, 12925), (6815, 11495), (7975, 9823)]