720072964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 1375784368

約数和(自身を除く): 655711404

約数列:

[1, 2, 4, 13, 26, 52, 157, 193, 314, 386, 457, 628, 772, 914, 1828, 2041, 2509, 4082, 5018, 5941, 8164, 10036, 11882, 23764, 30301, 60602, 71749, 88201, 121204, 143498, 176402, 286996, 352804, 393913, 787826, 932737, 1146613, 1575652, 1865474, 2293226, 3730948, 4586452, 13847557, 27695114, 55390228, 180018241, 360036482, 720072964]

約数ペア:

[(1, 720072964), (2, 360036482), (4, 180018241), (13, 55390228), (26, 27695114), (52, 13847557), (157, 4586452), (193, 3730948), (314, 2293226), (386, 1865474), (457, 1575652), (628, 1146613), (772, 932737), (914, 787826), (1828, 393913), (2041, 352804), (2509, 286996), (4082, 176402), (5018, 143498), (5941, 121204), (8164, 88201), (10036, 71749), (11882, 60602), (23764, 30301)]