30928205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 47752320

約数和(自身を除く): 16824115

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 109, 121, 335, 385, 469, 545, 605, 737, 763, 847, 1199, 2345, 3685, 3815, 4235, 5159, 5995, 7303, 8107, 8393, 13189, 25795, 36515, 40535, 41965, 51121, 56749, 65945, 80333, 92323, 255605, 283745, 401665, 461615, 562331, 883663, 2811655, 4418315, 6185641, 30928205]

約数ペア:

[(1, 30928205), (5, 6185641), (7, 4418315), (11, 2811655), (35, 883663), (55, 562331), (67, 461615), (77, 401665), (109, 283745), (121, 255605), (335, 92323), (385, 80333), (469, 65945), (545, 56749), (605, 51121), (737, 41965), (763, 40535), (847, 36515), (1199, 25795), (2345, 13189), (3685, 8393), (3815, 8107), (4235, 7303), (5159, 5995)]