78694270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 75581570

約数列:

[1, 2, 5, 10, 23, 46, 61, 71, 79, 115, 122, 142, 158, 230, 305, 355, 395, 610, 710, 790, 1403, 1633, 1817, 2806, 3266, 3634, 4331, 4819, 5609, 7015, 8165, 8662, 9085, 9638, 11218, 14030, 16330, 18170, 21655, 24095, 28045, 43310, 48190, 56090, 99613, 110837, 129007, 199226, 221674, 258014, 342149, 498065, 554185, 645035, 684298, 996130, 1108370, 1290070, 1710745, 3421490, 7869427, 15738854, 39347135, 78694270]

約数ペア:

[(1, 78694270), (2, 39347135), (5, 15738854), (10, 7869427), (23, 3421490), (46, 1710745), (61, 1290070), (71, 1108370), (79, 996130), (115, 684298), (122, 645035), (142, 554185), (158, 498065), (230, 342149), (305, 258014), (355, 221674), (395, 199226), (610, 129007), (710, 110837), (790, 99613), (1403, 56090), (1633, 48190), (1817, 43310), (2806, 28045), (3266, 24095), (3634, 21655), (4331, 18170), (4819, 16330), (5609, 14030), (7015, 11218), (8165, 9638), (8662, 9085)]