28727690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 28814710

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 59, 73, 115, 118, 145, 146, 230, 290, 295, 365, 590, 667, 730, 1334, 1357, 1679, 1711, 2117, 2714, 3335, 3358, 3422, 4234, 4307, 6670, 6785, 8395, 8555, 8614, 10585, 13570, 16790, 17110, 21170, 21535, 39353, 43070, 48691, 78706, 97382, 99061, 124903, 196765, 198122, 243455, 249806, 393530, 486910, 495305, 624515, 990610, 1249030, 2872769, 5745538, 14363845, 28727690]

約数ペア:

[(1, 28727690), (2, 14363845), (5, 5745538), (10, 2872769), (23, 1249030), (29, 990610), (46, 624515), (58, 495305), (59, 486910), (73, 393530), (115, 249806), (118, 243455), (145, 198122), (146, 196765), (230, 124903), (290, 99061), (295, 97382), (365, 78706), (590, 48691), (667, 43070), (730, 39353), (1334, 21535), (1357, 21170), (1679, 17110), (1711, 16790), (2117, 13570), (2714, 10585), (3335, 8614), (3358, 8555), (3422, 8395), (4234, 6785), (4307, 6670)]