388542020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{3613}}^1$

素因数の和:3924

約数の個数: 48

約数和(自身を含む): 862155840

約数和(自身を除く): 473613820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 566, 1132, 1415, 2830, 3613, 5377, 5660, 7226, 10754, 14452, 18065, 21508, 26885, 36130, 53770, 68647, 72260, 107540, 137294, 274588, 343235, 686470, 1022479, 1372940, 2044958, 4089916, 5112395, 10224790, 19427101, 20449580, 38854202, 77708404, 97135505, 194271010, 388542020]

約数ペア:

[(1, 388542020), (2, 194271010), (4, 97135505), (5, 77708404), (10, 38854202), (19, 20449580), (20, 19427101), (38, 10224790), (76, 5112395), (95, 4089916), (190, 2044958), (283, 1372940), (380, 1022479), (566, 686470), (1132, 343235), (1415, 274588), (2830, 137294), (3613, 107540), (5377, 72260), (5660, 68647), (7226, 53770), (10754, 36130), (14452, 26885), (18065, 21508)]