290465945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 442641024

約数和(自身を除く): 152175079

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 121, 385, 535, 605, 641, 749, 847, 1177, 3205, 3745, 4235, 4487, 5885, 7051, 8239, 12947, 22435, 35255, 41195, 49357, 64735, 68587, 77561, 90629, 246785, 342935, 387805, 453145, 480109, 542927, 754457, 2400545, 2714635, 3772285, 5281199, 8299027, 26405995, 41495135, 58093189, 290465945]

約数ペア:

[(1, 290465945), (5, 58093189), (7, 41495135), (11, 26405995), (35, 8299027), (55, 5281199), (77, 3772285), (107, 2714635), (121, 2400545), (385, 754457), (535, 542927), (605, 480109), (641, 453145), (749, 387805), (847, 342935), (1177, 246785), (3205, 90629), (3745, 77561), (4235, 68587), (4487, 64735), (5885, 49357), (7051, 41195), (8239, 35255), (12947, 22435)]