858773780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{72901}}^1$

素因数の和:72960

約数の個数: 48

約数和(自身を含む): 1959605760

約数和(自身を除く): 1100831980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 72901, 145802, 291604, 364505, 729010, 1385119, 1458020, 2259931, 2770238, 4519862, 5540476, 6925595, 9039724, 11299655, 13851190, 22599310, 27702380, 42938689, 45198620, 85877378, 171754756, 214693445, 429386890, 858773780]

約数ペア:

[(1, 858773780), (2, 429386890), (4, 214693445), (5, 171754756), (10, 85877378), (19, 45198620), (20, 42938689), (31, 27702380), (38, 22599310), (62, 13851190), (76, 11299655), (95, 9039724), (124, 6925595), (155, 5540476), (190, 4519862), (310, 2770238), (380, 2259931), (589, 1458020), (620, 1385119), (1178, 729010), (2356, 364505), (2945, 291604), (5890, 145802), (11780, 72901)]