128439550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 248801040

約数和(自身を除く): 120361490

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 283, 290, 313, 566, 626, 725, 1415, 1450, 1565, 2830, 3130, 7075, 7825, 8207, 9077, 14150, 15650, 16414, 18154, 41035, 45385, 82070, 88579, 90770, 177158, 205175, 226925, 410350, 442895, 453850, 885790, 2214475, 2568791, 4428950, 5137582, 12843955, 25687910, 64219775, 128439550]

約数ペア:

[(1, 128439550), (2, 64219775), (5, 25687910), (10, 12843955), (25, 5137582), (29, 4428950), (50, 2568791), (58, 2214475), (145, 885790), (283, 453850), (290, 442895), (313, 410350), (566, 226925), (626, 205175), (725, 177158), (1415, 90770), (1450, 88579), (1565, 82070), (2830, 45385), (3130, 41035), (7075, 18154), (7825, 16414), (8207, 15650), (9077, 14150)]