2013290825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 3306455040

約数和(自身を除く): 1293164215

約数列:

[1, 5, 7, 13, 19, 25, 35, 47, 65, 91, 95, 133, 175, 235, 247, 325, 329, 455, 475, 611, 665, 893, 991, 1175, 1235, 1645, 1729, 2275, 3055, 3325, 4277, 4465, 4955, 6175, 6251, 6937, 8225, 8645, 11609, 12883, 15275, 18829, 21385, 22325, 24775, 31255, 34685, 43225, 46577, 58045, 64415, 81263, 90181, 94145, 106925, 131803, 156275, 173425, 232885, 244777, 290225, 322075, 326039, 406315, 450905, 470725, 605501, 659015, 884963, 1164425, 1223885, 1630195, 1713439, 2031575, 2254525, 3027505, 3295075, 4238507, 4424815, 6119425, 6194741, 8150975, 8567195, 11504519, 15137525, 21192535, 22124075, 30973705, 42835975, 57522595, 80531633, 105962675, 154868525, 287612975, 402658165, 2013290825]

約数ペア:

[(1, 2013290825), (5, 402658165), (7, 287612975), (13, 154868525), (19, 105962675), (25, 80531633), (35, 57522595), (47, 42835975), (65, 30973705), (91, 22124075), (95, 21192535), (133, 15137525), (175, 11504519), (235, 8567195), (247, 8150975), (325, 6194741), (329, 6119425), (455, 4424815), (475, 4238507), (611, 3295075), (665, 3027505), (893, 2254525), (991, 2031575), (1175, 1713439), (1235, 1630195), (1645, 1223885), (1729, 1164425), (2275, 884963), (3055, 659015), (3325, 605501), (4277, 470725), (4465, 450905), (4955, 406315), (6175, 326039), (6251, 322075), (6937, 290225), (8225, 244777), (8645, 232885), (11609, 173425), (12883, 156275), (15275, 131803), (18829, 106925), (21385, 94145), (22325, 90181), (24775, 81263), (31255, 64415), (34685, 58045), (43225, 46577)]