72139400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3371}}^1$

素因数の和:3494

約数の個数: 48

約数和(自身を含む): 169341840

約数和(自身を除く): 97202440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 2140, 2675, 3371, 4280, 5350, 6742, 10700, 13484, 16855, 21400, 26968, 33710, 67420, 84275, 134840, 168550, 337100, 360697, 674200, 721394, 1442788, 1803485, 2885576, 3606970, 7213940, 9017425, 14427880, 18034850, 36069700, 72139400]

約数ペア:

[(1, 72139400), (2, 36069700), (4, 18034850), (5, 14427880), (8, 9017425), (10, 7213940), (20, 3606970), (25, 2885576), (40, 1803485), (50, 1442788), (100, 721394), (107, 674200), (200, 360697), (214, 337100), (428, 168550), (535, 134840), (856, 84275), (1070, 67420), (2140, 33710), (2675, 26968), (3371, 21400), (4280, 16855), (5350, 13484), (6742, 10700)]