398213210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{72271}}^1$

素因数の和:72326

約数の個数: 32

約数和(自身を含む): 780537600

約数和(自身を除く): 382324390

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 72271, 144542, 361355, 722710, 1373149, 2095859, 2746298, 4191718, 6865745, 10479295, 13731490, 20958590, 39821321, 79642642, 199106605, 398213210]

約数ペア:

[(1, 398213210), (2, 199106605), (5, 79642642), (10, 39821321), (19, 20958590), (29, 13731490), (38, 10479295), (58, 6865745), (95, 4191718), (145, 2746298), (190, 2095859), (290, 1373149), (551, 722710), (1102, 361355), (2755, 144542), (5510, 72271)]