2108256475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3169}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 2971684800

約数和(自身を除く): 863428325

約数列:

[1, 5, 13, 23, 25, 65, 89, 115, 299, 325, 445, 575, 1157, 1495, 2047, 2225, 3169, 5785, 7475, 10235, 15845, 26611, 28925, 41197, 51175, 72887, 79225, 133055, 205985, 282041, 364435, 665275, 947531, 1029925, 1410205, 1822175, 3666533, 4737655, 6486943, 7051025, 18332665, 23688275, 32434715, 84330259, 91663325, 162173575, 421651295, 2108256475]

約数ペア:

[(1, 2108256475), (5, 421651295), (13, 162173575), (23, 91663325), (25, 84330259), (65, 32434715), (89, 23688275), (115, 18332665), (299, 7051025), (325, 6486943), (445, 4737655), (575, 3666533), (1157, 1822175), (1495, 1410205), (2047, 1029925), (2225, 947531), (3169, 665275), (5785, 364435), (7475, 282041), (10235, 205985), (15845, 133055), (26611, 79225), (28925, 72887), (41197, 51175)]