721838210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{1867}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 1390419648

約数和(自身を除く): 668581438

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1681, 1867, 1886, 3362, 3734, 4715, 8405, 9335, 9430, 16810, 18670, 38663, 42941, 76547, 77326, 85882, 153094, 193315, 214705, 382735, 386630, 429410, 765470, 1760581, 3138427, 3521162, 6276854, 8802905, 15692135, 17605810, 31384270, 72183821, 144367642, 360919105, 721838210]

約数ペア:

[(1, 721838210), (2, 360919105), (5, 144367642), (10, 72183821), (23, 31384270), (41, 17605810), (46, 15692135), (82, 8802905), (115, 6276854), (205, 3521162), (230, 3138427), (410, 1760581), (943, 765470), (1681, 429410), (1867, 386630), (1886, 382735), (3362, 214705), (3734, 193315), (4715, 153094), (8405, 85882), (9335, 77326), (9430, 76547), (16810, 42941), (18670, 38663)]