30989725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 14007395

約数列:

[1, 5, 13, 17, 25, 65, 71, 79, 85, 221, 325, 355, 395, 425, 923, 1027, 1105, 1207, 1343, 1775, 1975, 4615, 5135, 5525, 5609, 6035, 6715, 15691, 17459, 23075, 25675, 28045, 30175, 33575, 72917, 78455, 87295, 95353, 140225, 364585, 392275, 436475, 476765, 1239589, 1822925, 2383825, 6197945, 30989725]

約数ペア:

[(1, 30989725), (5, 6197945), (13, 2383825), (17, 1822925), (25, 1239589), (65, 476765), (71, 436475), (79, 392275), (85, 364585), (221, 140225), (325, 95353), (355, 87295), (395, 78455), (425, 72917), (923, 33575), (1027, 30175), (1105, 28045), (1207, 25675), (1343, 23075), (1775, 17459), (1975, 15691), (4615, 6715), (5135, 6035), (5525, 5609)]