30498580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31121}}^1$

素因数の和:31144

約数の個数: 36

約数和(自身を含む): 74506068

約数和(自身を除く): 44007488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31121, 62242, 124484, 155605, 217847, 311210, 435694, 622420, 871388, 1089235, 1524929, 2178470, 3049858, 4356940, 6099716, 7624645, 15249290, 30498580]

約数ペア:

[(1, 30498580), (2, 15249290), (4, 7624645), (5, 6099716), (7, 4356940), (10, 3049858), (14, 2178470), (20, 1524929), (28, 1089235), (35, 871388), (49, 622420), (70, 435694), (98, 311210), (140, 217847), (196, 155605), (245, 124484), (490, 62242), (980, 31121)]