11638760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 30222720

約数和(自身を除く): 18583960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 211, 280, 394, 422, 788, 844, 985, 1055, 1379, 1477, 1576, 1688, 1970, 2110, 2758, 2954, 3940, 4220, 5516, 5908, 6895, 7385, 7880, 8440, 11032, 11816, 13790, 14770, 27580, 29540, 41567, 55160, 59080, 83134, 166268, 207835, 290969, 332536, 415670, 581938, 831340, 1163876, 1454845, 1662680, 2327752, 2909690, 5819380, 11638760]

約数ペア:

[(1, 11638760), (2, 5819380), (4, 2909690), (5, 2327752), (7, 1662680), (8, 1454845), (10, 1163876), (14, 831340), (20, 581938), (28, 415670), (35, 332536), (40, 290969), (56, 207835), (70, 166268), (140, 83134), (197, 59080), (211, 55160), (280, 41567), (394, 29540), (422, 27580), (788, 14770), (844, 13790), (985, 11816), (1055, 11032), (1379, 8440), (1477, 7880), (1576, 7385), (1688, 6895), (1970, 5908), (2110, 5516), (2758, 4220), (2954, 3940)]