188265520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 449471232

約数和(自身を除く): 261205712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 173, 223, 244, 305, 346, 446, 488, 610, 692, 865, 892, 976, 1115, 1220, 1384, 1730, 1784, 2230, 2440, 2768, 3460, 3568, 4460, 4880, 6920, 8920, 10553, 13603, 13840, 17840, 21106, 27206, 38579, 42212, 52765, 54412, 68015, 77158, 84424, 105530, 108824, 136030, 154316, 168848, 192895, 211060, 217648, 272060, 308632, 385790, 422120, 544120, 617264, 771580, 844240, 1088240, 1543160, 2353319, 3086320, 4706638, 9413276, 11766595, 18826552, 23533190, 37653104, 47066380, 94132760, 188265520]

約数ペア:

[(1, 188265520), (2, 94132760), (4, 47066380), (5, 37653104), (8, 23533190), (10, 18826552), (16, 11766595), (20, 9413276), (40, 4706638), (61, 3086320), (80, 2353319), (122, 1543160), (173, 1088240), (223, 844240), (244, 771580), (305, 617264), (346, 544120), (446, 422120), (488, 385790), (610, 308632), (692, 272060), (865, 217648), (892, 211060), (976, 192895), (1115, 168848), (1220, 154316), (1384, 136030), (1730, 108824), (1784, 105530), (2230, 84424), (2440, 77158), (2768, 68015), (3460, 54412), (3568, 52765), (4460, 42212), (4880, 38579), (6920, 27206), (8920, 21106), (10553, 17840), (13603, 13840)]