278300456

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 622702080

約数和(自身を除く): 344401624

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 164, 212, 287, 328, 371, 424, 574, 742, 1148, 1484, 2173, 2287, 2296, 2968, 4346, 4574, 8692, 9148, 15211, 16009, 17384, 18296, 30422, 32018, 60844, 64036, 93767, 121211, 121688, 128072, 187534, 242422, 375068, 484844, 656369, 750136, 848477, 969688, 1312738, 1696954, 2625476, 3393908, 4969651, 5250952, 6787816, 9939302, 19878604, 34787557, 39757208, 69575114, 139150228, 278300456]

約数ペア:

[(1, 278300456), (2, 139150228), (4, 69575114), (7, 39757208), (8, 34787557), (14, 19878604), (28, 9939302), (41, 6787816), (53, 5250952), (56, 4969651), (82, 3393908), (106, 2625476), (164, 1696954), (212, 1312738), (287, 969688), (328, 848477), (371, 750136), (424, 656369), (574, 484844), (742, 375068), (1148, 242422), (1484, 187534), (2173, 128072), (2287, 121688), (2296, 121211), (2968, 93767), (4346, 64036), (4574, 60844), (8692, 32018), (9148, 30422), (15211, 18296), (16009, 17384)]