83187860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8369}}^1$

素因数の和:8456

約数の個数: 48

約数和(自身を含む): 202487040

約数和(自身を除く): 119299180

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, 4970, 8369, 9940, 16738, 33476, 41845, 58583, 83690, 117166, 167380, 234332, 292915, 585830, 594199, 1171660, 1188398, 2376796, 2970995, 4159393, 5941990, 8318786, 11883980, 16637572, 20796965, 41593930, 83187860]

約数ペア:

[(1, 83187860), (2, 41593930), (4, 20796965), (5, 16637572), (7, 11883980), (10, 8318786), (14, 5941990), (20, 4159393), (28, 2970995), (35, 2376796), (70, 1188398), (71, 1171660), (140, 594199), (142, 585830), (284, 292915), (355, 234332), (497, 167380), (710, 117166), (994, 83690), (1420, 58583), (1988, 41845), (2485, 33476), (4970, 16738), (8369, 9940)]