27842030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 28836370

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 163, 190, 290, 310, 326, 551, 589, 815, 899, 1102, 1178, 1630, 1798, 2755, 2945, 3097, 4495, 4727, 5053, 5510, 5890, 6194, 8990, 9454, 10106, 15485, 17081, 23635, 25265, 30970, 34162, 47270, 50530, 85405, 89813, 96007, 146537, 170810, 179626, 192014, 293074, 449065, 480035, 732685, 898130, 960070, 1465370, 2784203, 5568406, 13921015, 27842030]

約数ペア:

[(1, 27842030), (2, 13921015), (5, 5568406), (10, 2784203), (19, 1465370), (29, 960070), (31, 898130), (38, 732685), (58, 480035), (62, 449065), (95, 293074), (145, 192014), (155, 179626), (163, 170810), (190, 146537), (290, 96007), (310, 89813), (326, 85405), (551, 50530), (589, 47270), (815, 34162), (899, 30970), (1102, 25265), (1178, 23635), (1630, 17081), (1798, 15485), (2755, 10106), (2945, 9454), (3097, 8990), (4495, 6194), (4727, 5890), (5053, 5510)]