247904440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23929}}^1$

素因数の和:23984

約数の個数: 64

約数和(自身を含む): 654724800

約数和(自身を除く): 406820360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 23929, 47858, 95716, 119645, 167503, 191432, 239290, 335006, 478580, 670012, 837515, 885373, 957160, 1340024, 1675030, 1770746, 3350060, 3541492, 4426865, 6197611, 6700120, 7082984, 8853730, 12395222, 17707460, 24790444, 30988055, 35414920, 49580888, 61976110, 123952220, 247904440]

約数ペア:

[(1, 247904440), (2, 123952220), (4, 61976110), (5, 49580888), (7, 35414920), (8, 30988055), (10, 24790444), (14, 17707460), (20, 12395222), (28, 8853730), (35, 7082984), (37, 6700120), (40, 6197611), (56, 4426865), (70, 3541492), (74, 3350060), (140, 1770746), (148, 1675030), (185, 1340024), (259, 957160), (280, 885373), (296, 837515), (370, 670012), (518, 478580), (740, 335006), (1036, 239290), (1295, 191432), (1480, 167503), (2072, 119645), (2590, 95716), (5180, 47858), (10360, 23929)]