420823312

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{743}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 1007435520

約数和(自身を除く): 586612208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 389, 728, 743, 778, 1456, 1486, 1556, 2723, 2972, 3112, 5057, 5201, 5446, 5944, 6224, 9659, 10114, 10402, 10892, 11888, 19318, 20228, 20804, 21784, 35399, 38636, 40456, 41608, 43568, 67613, 70798, 77272, 80912, 83216, 135226, 141596, 154544, 270452, 283192, 289027, 540904, 566384, 578054, 1081808, 1156108, 2023189, 2312216, 3757351, 4046378, 4624432, 7514702, 8092756, 15029404, 16185512, 26301457, 30058808, 32371024, 52602914, 60117616, 105205828, 210411656, 420823312]

約数ペア:

[(1, 420823312), (2, 210411656), (4, 105205828), (7, 60117616), (8, 52602914), (13, 32371024), (14, 30058808), (16, 26301457), (26, 16185512), (28, 15029404), (52, 8092756), (56, 7514702), (91, 4624432), (104, 4046378), (112, 3757351), (182, 2312216), (208, 2023189), (364, 1156108), (389, 1081808), (728, 578054), (743, 566384), (778, 540904), (1456, 289027), (1486, 283192), (1556, 270452), (2723, 154544), (2972, 141596), (3112, 135226), (5057, 83216), (5201, 80912), (5446, 77272), (5944, 70798), (6224, 67613), (9659, 43568), (10114, 41608), (10402, 40456), (10892, 38636), (11888, 35399), (19318, 21784), (20228, 20804)]