197249780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108379}}^1$

素因数の和:108408

約数の個数: 48

約数和(自身を含む): 509819520

約数和(自身を除く): 312569740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 108379, 216758, 433516, 541895, 758653, 1083790, 1408927, 1517306, 2167580, 2817854, 3034612, 3793265, 5635708, 7044635, 7586530, 9862489, 14089270, 15173060, 19724978, 28178540, 39449956, 49312445, 98624890, 197249780]

約数ペア:

[(1, 197249780), (2, 98624890), (4, 49312445), (5, 39449956), (7, 28178540), (10, 19724978), (13, 15173060), (14, 14089270), (20, 9862489), (26, 7586530), (28, 7044635), (35, 5635708), (52, 3793265), (65, 3034612), (70, 2817854), (91, 2167580), (130, 1517306), (140, 1408927), (182, 1083790), (260, 758653), (364, 541895), (455, 433516), (910, 216758), (1820, 108379)]