49510780

素因数分解:

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

素因数の和:571

約数の個数: 72

約数和(自身を含む): 117306000

約数和(自身を除く): 67795220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 499, 605, 820, 902, 998, 1210, 1804, 1996, 2255, 2420, 2495, 4510, 4961, 4990, 5489, 9020, 9922, 9980, 10978, 19844, 20459, 21956, 24805, 27445, 40918, 49610, 54890, 60379, 81836, 99220, 102295, 109780, 120758, 204590, 225049, 241516, 301895, 409180, 450098, 603790, 900196, 1125245, 1207580, 2250490, 2475539, 4500980, 4951078, 9902156, 12377695, 24755390, 49510780]

約数ペア:

[(1, 49510780), (2, 24755390), (4, 12377695), (5, 9902156), (10, 4951078), (11, 4500980), (20, 2475539), (22, 2250490), (41, 1207580), (44, 1125245), (55, 900196), (82, 603790), (110, 450098), (121, 409180), (164, 301895), (205, 241516), (220, 225049), (242, 204590), (410, 120758), (451, 109780), (484, 102295), (499, 99220), (605, 81836), (820, 60379), (902, 54890), (998, 49610), (1210, 40918), (1804, 27445), (1996, 24805), (2255, 21956), (2420, 20459), (2495, 19844), (4510, 10978), (4961, 9980), (4990, 9922), (5489, 9020)]