320599648

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1933}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 649174176

約数和(自身を除く): 328574528

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 1933, 2272, 2336, 3866, 5183, 7732, 10366, 15464, 20732, 30928, 41464, 61856, 82928, 137243, 141109, 165856, 274486, 282218, 548972, 564436, 1097944, 1128872, 2195888, 2257744, 4391776, 4515488, 10018739, 20037478, 40074956, 80149912, 160299824, 320599648]

約数ペア:

[(1, 320599648), (2, 160299824), (4, 80149912), (8, 40074956), (16, 20037478), (32, 10018739), (71, 4515488), (73, 4391776), (142, 2257744), (146, 2195888), (284, 1128872), (292, 1097944), (568, 564436), (584, 548972), (1136, 282218), (1168, 274486), (1933, 165856), (2272, 141109), (2336, 137243), (3866, 82928), (5183, 61856), (7732, 41464), (10366, 30928), (15464, 20732)]