338135800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{21401}}^1$

素因数の和:21496

約数の個数: 48

約数和(自身を含む): 796154400

約数和(自身を除く): 458018600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 21401, 42802, 85604, 107005, 171208, 214010, 428020, 535025, 856040, 1070050, 1690679, 2140100, 3381358, 4280200, 6762716, 8453395, 13525432, 16906790, 33813580, 42266975, 67627160, 84533950, 169067900, 338135800]

約数ペア:

[(1, 338135800), (2, 169067900), (4, 84533950), (5, 67627160), (8, 42266975), (10, 33813580), (20, 16906790), (25, 13525432), (40, 8453395), (50, 6762716), (79, 4280200), (100, 3381358), (158, 2140100), (200, 1690679), (316, 1070050), (395, 856040), (632, 535025), (790, 428020), (1580, 214010), (1975, 171208), (3160, 107005), (3950, 85604), (7900, 42802), (15800, 21401)]