254757230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4041

約数の個数: 64

約数和(自身を含む): 572479488

約数和(自身を除く): 317722258

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1846, 2485, 3943, 4615, 4970, 6461, 7886, 9230, 12922, 19715, 27601, 32305, 39430, 51259, 55202, 64610, 102518, 138005, 256295, 276010, 279953, 358813, 512590, 559906, 717626, 1399765, 1794065, 1959671, 2799530, 3588130, 3639389, 3919342, 7278778, 9798355, 18196945, 19596710, 25475723, 36393890, 50951446, 127378615, 254757230]

約数ペア:

[(1, 254757230), (2, 127378615), (5, 50951446), (7, 36393890), (10, 25475723), (13, 19596710), (14, 18196945), (26, 9798355), (35, 7278778), (65, 3919342), (70, 3639389), (71, 3588130), (91, 2799530), (130, 1959671), (142, 1794065), (182, 1399765), (355, 717626), (455, 559906), (497, 512590), (710, 358813), (910, 279953), (923, 276010), (994, 256295), (1846, 138005), (2485, 102518), (3943, 64610), (4615, 55202), (4970, 51259), (6461, 39430), (7886, 32305), (9230, 27601), (12922, 19715)]