72998390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 133673760

約数和(自身を除く): 60675370

約数列:

[1, 2, 5, 10, 109, 193, 218, 347, 386, 545, 694, 965, 1090, 1735, 1930, 3470, 21037, 37823, 42074, 66971, 75646, 105185, 133942, 189115, 210370, 334855, 378230, 669710, 7299839, 14599678, 36499195, 72998390]

約数ペア:

[(1, 72998390), (2, 36499195), (5, 14599678), (10, 7299839), (109, 669710), (193, 378230), (218, 334855), (347, 210370), (386, 189115), (545, 133942), (694, 105185), (965, 75646), (1090, 66971), (1735, 42074), (1930, 37823), (3470, 21037)]