275878955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 400619520

約数和(自身を除く): 124740565

約数列:

[1, 5, 11, 19, 41, 47, 55, 95, 137, 205, 209, 235, 451, 517, 685, 779, 893, 1045, 1507, 1927, 2255, 2585, 2603, 3895, 4465, 5617, 6439, 7535, 8569, 9635, 9823, 13015, 21197, 28085, 28633, 32195, 36613, 42845, 49115, 61787, 70829, 105985, 106723, 122341, 143165, 183065, 263999, 308935, 354145, 402743, 533615, 611705, 1173953, 1319995, 1345751, 2013715, 2903989, 5015981, 5869765, 6728755, 14519945, 25079905, 55175791, 275878955]

約数ペア:

[(1, 275878955), (5, 55175791), (11, 25079905), (19, 14519945), (41, 6728755), (47, 5869765), (55, 5015981), (95, 2903989), (137, 2013715), (205, 1345751), (209, 1319995), (235, 1173953), (451, 611705), (517, 533615), (685, 402743), (779, 354145), (893, 308935), (1045, 263999), (1507, 183065), (1927, 143165), (2255, 122341), (2585, 106723), (2603, 105985), (3895, 70829), (4465, 61787), (5617, 49115), (6439, 42845), (7535, 36613), (8569, 32195), (9635, 28633), (9823, 28085), (13015, 21197)]