31506860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 53165140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 451, 499, 574, 770, 820, 902, 998, 1148, 1435, 1540, 1804, 1996, 2255, 2495, 2870, 3157, 3493, 4510, 4990, 5489, 5740, 6314, 6986, 9020, 9980, 10978, 12628, 13972, 15785, 17465, 20459, 21956, 27445, 31570, 34930, 38423, 40918, 54890, 63140, 69860, 76846, 81836, 102295, 109780, 143213, 153692, 192115, 204590, 225049, 286426, 384230, 409180, 450098, 572852, 716065, 768460, 900196, 1125245, 1432130, 1575343, 2250490, 2864260, 3150686, 4500980, 6301372, 7876715, 15753430, 31506860]

約数ペア:

[(1, 31506860), (2, 15753430), (4, 7876715), (5, 6301372), (7, 4500980), (10, 3150686), (11, 2864260), (14, 2250490), (20, 1575343), (22, 1432130), (28, 1125245), (35, 900196), (41, 768460), (44, 716065), (55, 572852), (70, 450098), (77, 409180), (82, 384230), (110, 286426), (140, 225049), (154, 204590), (164, 192115), (205, 153692), (220, 143213), (287, 109780), (308, 102295), (385, 81836), (410, 76846), (451, 69860), (499, 63140), (574, 54890), (770, 40918), (820, 38423), (902, 34930), (998, 31570), (1148, 27445), (1435, 21956), (1540, 20459), (1804, 17465), (1996, 15785), (2255, 13972), (2495, 12628), (2870, 10978), (3157, 9980), (3493, 9020), (4510, 6986), (4990, 6314), (5489, 5740)]