28406950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 64683360

約数和(自身を除く): 36276410

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 29, 50, 55, 58, 65, 110, 130, 137, 143, 145, 274, 275, 286, 290, 319, 325, 377, 550, 638, 650, 685, 715, 725, 754, 1370, 1430, 1450, 1507, 1595, 1781, 1885, 3014, 3190, 3425, 3562, 3575, 3770, 3973, 4147, 6850, 7150, 7535, 7946, 7975, 8294, 8905, 9425, 15070, 15950, 17810, 18850, 19591, 19865, 20735, 37675, 39182, 39730, 41470, 43703, 44525, 51649, 75350, 87406, 89050, 97955, 99325, 103298, 103675, 195910, 198650, 207350, 218515, 258245, 437030, 489775, 516490, 568139, 979550, 1092575, 1136278, 1291225, 2185150, 2582450, 2840695, 5681390, 14203475, 28406950]

約数ペア:

[(1, 28406950), (2, 14203475), (5, 5681390), (10, 2840695), (11, 2582450), (13, 2185150), (22, 1291225), (25, 1136278), (26, 1092575), (29, 979550), (50, 568139), (55, 516490), (58, 489775), (65, 437030), (110, 258245), (130, 218515), (137, 207350), (143, 198650), (145, 195910), (274, 103675), (275, 103298), (286, 99325), (290, 97955), (319, 89050), (325, 87406), (377, 75350), (550, 51649), (638, 44525), (650, 43703), (685, 41470), (715, 39730), (725, 39182), (754, 37675), (1370, 20735), (1430, 19865), (1450, 19591), (1507, 18850), (1595, 17810), (1781, 15950), (1885, 15070), (3014, 9425), (3190, 8905), (3425, 8294), (3562, 7975), (3575, 7946), (3770, 7535), (3973, 7150), (4147, 6850)]