81539150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21179}}^1$

素因数の和:21209

約数の個数: 48

約数和(自身を含む): 189095040

約数和(自身を除く): 107555890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21179, 42358, 105895, 148253, 211790, 232969, 296506, 465938, 529475, 741265, 1058950, 1164845, 1482530, 1630783, 2329690, 3261566, 3706325, 5824225, 7412650, 8153915, 11648450, 16307830, 40769575, 81539150]

約数ペア:

[(1, 81539150), (2, 40769575), (5, 16307830), (7, 11648450), (10, 8153915), (11, 7412650), (14, 5824225), (22, 3706325), (25, 3261566), (35, 2329690), (50, 1630783), (55, 1482530), (70, 1164845), (77, 1058950), (110, 741265), (154, 529475), (175, 465938), (275, 296506), (350, 232969), (385, 211790), (550, 148253), (770, 105895), (1925, 42358), (3850, 21179)]