2021618620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{760007}}^1$

素因数の和:760042

約数の個数: 48

約数和(自身を含む): 5107253760

約数和(自身を除く): 3085635140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 760007, 1520014, 3040028, 3800035, 5320049, 7600070, 10640098, 14440133, 15200140, 21280196, 26600245, 28880266, 53200490, 57760532, 72200665, 101080931, 106400980, 144401330, 202161862, 288802660, 404323724, 505404655, 1010809310, 2021618620]

約数ペア:

[(1, 2021618620), (2, 1010809310), (4, 505404655), (5, 404323724), (7, 288802660), (10, 202161862), (14, 144401330), (19, 106400980), (20, 101080931), (28, 72200665), (35, 57760532), (38, 53200490), (70, 28880266), (76, 26600245), (95, 21280196), (133, 15200140), (140, 14440133), (190, 10640098), (266, 7600070), (380, 5320049), (532, 3800035), (665, 3040028), (1330, 1520014), (2660, 760007)]