220101440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 112

約数和(自身を含む): 569713872

約数和(自身を除く): 349612432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 157, 160, 208, 260, 314, 320, 337, 416, 520, 628, 674, 785, 832, 1040, 1256, 1348, 1570, 1685, 2041, 2080, 2512, 2696, 3140, 3370, 4082, 4160, 4381, 5024, 5392, 6280, 6740, 8164, 8762, 10048, 10205, 10784, 12560, 13480, 16328, 17524, 20410, 21568, 21905, 25120, 26960, 32656, 35048, 40820, 43810, 50240, 52909, 53920, 65312, 70096, 81640, 87620, 105818, 107840, 130624, 140192, 163280, 175240, 211636, 264545, 280384, 326560, 350480, 423272, 529090, 653120, 687817, 700960, 846544, 1058180, 1375634, 1401920, 1693088, 2116360, 2751268, 3386176, 3439085, 4232720, 5502536, 6878170, 8465440, 11005072, 13756340, 16930880, 22010144, 27512680, 44020288, 55025360, 110050720, 220101440]

約数ペア:

[(1, 220101440), (2, 110050720), (4, 55025360), (5, 44020288), (8, 27512680), (10, 22010144), (13, 16930880), (16, 13756340), (20, 11005072), (26, 8465440), (32, 6878170), (40, 5502536), (52, 4232720), (64, 3439085), (65, 3386176), (80, 2751268), (104, 2116360), (130, 1693088), (157, 1401920), (160, 1375634), (208, 1058180), (260, 846544), (314, 700960), (320, 687817), (337, 653120), (416, 529090), (520, 423272), (628, 350480), (674, 326560), (785, 280384), (832, 264545), (1040, 211636), (1256, 175240), (1348, 163280), (1570, 140192), (1685, 130624), (2041, 107840), (2080, 105818), (2512, 87620), (2696, 81640), (3140, 70096), (3370, 65312), (4082, 53920), (4160, 52909), (4381, 50240), (5024, 43810), (5392, 40820), (6280, 35048), (6740, 32656), (8164, 26960), (8762, 25120), (10048, 21905), (10205, 21568), (10784, 20410), (12560, 17524), (13480, 16328)]