274784620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 665634816

約数和(自身を除く): 390850196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 124, 155, 172, 215, 220, 310, 341, 430, 473, 620, 682, 860, 937, 946, 1333, 1364, 1705, 1874, 1892, 2365, 2666, 3410, 3748, 4685, 4730, 5332, 6665, 6820, 9370, 9460, 10307, 13330, 14663, 18740, 20614, 26660, 29047, 29326, 40291, 41228, 51535, 58094, 58652, 73315, 80582, 103070, 116188, 145235, 146630, 161164, 201455, 206140, 290470, 293260, 319517, 402910, 443201, 580940, 639034, 805820, 886402, 1249021, 1278068, 1597585, 1772804, 2216005, 2498042, 3195170, 4432010, 4996084, 6245105, 6390340, 8864020, 12490210, 13739231, 24980420, 27478462, 54956924, 68696155, 137392310, 274784620]

約数ペア:

[(1, 274784620), (2, 137392310), (4, 68696155), (5, 54956924), (10, 27478462), (11, 24980420), (20, 13739231), (22, 12490210), (31, 8864020), (43, 6390340), (44, 6245105), (55, 4996084), (62, 4432010), (86, 3195170), (110, 2498042), (124, 2216005), (155, 1772804), (172, 1597585), (215, 1278068), (220, 1249021), (310, 886402), (341, 805820), (430, 639034), (473, 580940), (620, 443201), (682, 402910), (860, 319517), (937, 293260), (946, 290470), (1333, 206140), (1364, 201455), (1705, 161164), (1874, 146630), (1892, 145235), (2365, 116188), (2666, 103070), (3410, 80582), (3748, 73315), (4685, 58652), (4730, 58094), (5332, 51535), (6665, 41228), (6820, 40291), (9370, 29326), (9460, 29047), (10307, 26660), (13330, 20614), (14663, 18740)]