320804554

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 597196800

約数和(自身を除く): 276392246

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 71, 142, 203, 217, 359, 406, 434, 497, 718, 899, 994, 1798, 2059, 2201, 2513, 4118, 4402, 5026, 6293, 10411, 11129, 12586, 14413, 15407, 20822, 22258, 25489, 28826, 30814, 50978, 63829, 72877, 77903, 127658, 145754, 155806, 178423, 322741, 356846, 446803, 645482, 739181, 790159, 893606, 1478362, 1580318, 2259187, 4518374, 5174267, 5531113, 10348534, 11062226, 22914611, 45829222, 160402277, 320804554]

約数ペア:

[(1, 320804554), (2, 160402277), (7, 45829222), (14, 22914611), (29, 11062226), (31, 10348534), (58, 5531113), (62, 5174267), (71, 4518374), (142, 2259187), (203, 1580318), (217, 1478362), (359, 893606), (406, 790159), (434, 739181), (497, 645482), (718, 446803), (899, 356846), (994, 322741), (1798, 178423), (2059, 155806), (2201, 145754), (2513, 127658), (4118, 77903), (4402, 72877), (5026, 63829), (6293, 50978), (10411, 30814), (11129, 28826), (12586, 25489), (14413, 22258), (15407, 20822)]