272912390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4447}}^1$

素因数の和:4509

約数の個数: 48

約数和(自身を含む): 549078912

約数和(自身を除く): 276166522

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 361, 646, 722, 1615, 1805, 3230, 3610, 4447, 6137, 8894, 12274, 22235, 30685, 44470, 61370, 75599, 84493, 151198, 168986, 377995, 422465, 755990, 844930, 1436381, 1605367, 2872762, 3210734, 7181905, 8026835, 14363810, 16053670, 27291239, 54582478, 136456195, 272912390]

約数ペア:

[(1, 272912390), (2, 136456195), (5, 54582478), (10, 27291239), (17, 16053670), (19, 14363810), (34, 8026835), (38, 7181905), (85, 3210734), (95, 2872762), (170, 1605367), (190, 1436381), (323, 844930), (361, 755990), (646, 422465), (722, 377995), (1615, 168986), (1805, 151198), (3230, 84493), (3610, 75599), (4447, 61370), (6137, 44470), (8894, 30685), (12274, 22235)]