12200980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 28869120

約数和(自身を除く): 16668140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 1789, 3410, 3578, 6820, 7156, 8945, 17890, 19679, 35780, 39358, 55459, 78716, 98395, 110918, 196790, 221836, 277295, 393580, 554590, 610049, 1109180, 1220098, 2440196, 3050245, 6100490, 12200980]

約数ペア:

[(1, 12200980), (2, 6100490), (4, 3050245), (5, 2440196), (10, 1220098), (11, 1109180), (20, 610049), (22, 554590), (31, 393580), (44, 277295), (55, 221836), (62, 196790), (110, 110918), (124, 98395), (155, 78716), (220, 55459), (310, 39358), (341, 35780), (620, 19679), (682, 17890), (1364, 8945), (1705, 7156), (1789, 6820), (3410, 3578)]