43646540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4478

約数の個数: 48

約数和(自身を含む): 106251264

約数和(自身を除く): 62604724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4391, 4970, 8782, 9940, 17564, 21955, 30737, 43910, 61474, 87820, 122948, 153685, 307370, 311761, 614740, 623522, 1247044, 1558805, 2182327, 3117610, 4364654, 6235220, 8729308, 10911635, 21823270, 43646540]

約数ペア:

[(1, 43646540), (2, 21823270), (4, 10911635), (5, 8729308), (7, 6235220), (10, 4364654), (14, 3117610), (20, 2182327), (28, 1558805), (35, 1247044), (70, 623522), (71, 614740), (140, 311761), (142, 307370), (284, 153685), (355, 122948), (497, 87820), (710, 61474), (994, 43910), (1420, 30737), (1988, 21955), (2485, 17564), (4391, 9940), (4970, 8782)]