28014776380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 60479939520

約数和(自身を除く): 32465163140

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 365, 389, 428, 461, 535, 730, 778, 922, 1070, 1460, 1556, 1844, 1945, 2140, 2305, 3890, 4610, 7780, 7811, 9220, 15622, 28397, 31244, 33653, 39055, 41623, 49327, 56794, 67306, 78110, 83246, 98654, 113588, 134612, 141985, 156220, 166492, 168265, 179329, 197308, 208115, 246635, 283970, 336530, 358658, 416230, 493270, 567940, 673060, 717316, 832460, 896645, 986540, 1793290, 3038479, 3586580, 3600871, 6076958, 7201742, 12153916, 13091017, 14403484, 15192395, 18004355, 19188203, 26182034, 30384790, 36008710, 38376406, 52364068, 60769580, 65455085, 72017420, 76752812, 95941015, 130910170, 191882030, 261820340, 383764060, 1400738819, 2801477638, 5602955276, 7003694095, 14007388190, 28014776380]

約数ペア:

[(1, 28014776380), (2, 14007388190), (4, 7003694095), (5, 5602955276), (10, 2801477638), (20, 1400738819), (73, 383764060), (107, 261820340), (146, 191882030), (214, 130910170), (292, 95941015), (365, 76752812), (389, 72017420), (428, 65455085), (461, 60769580), (535, 52364068), (730, 38376406), (778, 36008710), (922, 30384790), (1070, 26182034), (1460, 19188203), (1556, 18004355), (1844, 15192395), (1945, 14403484), (2140, 13091017), (2305, 12153916), (3890, 7201742), (4610, 6076958), (7780, 3600871), (7811, 3586580), (9220, 3038479), (15622, 1793290), (28397, 986540), (31244, 896645), (33653, 832460), (39055, 717316), (41623, 673060), (49327, 567940), (56794, 493270), (67306, 416230), (78110, 358658), (83246, 336530), (98654, 283970), (113588, 246635), (134612, 208115), (141985, 197308), (156220, 179329), (166492, 168265)]