12237940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 30499560

約数和(自身を除く): 18261620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 389, 484, 572, 605, 715, 778, 1210, 1430, 1556, 1573, 1945, 2420, 2860, 3146, 3890, 4279, 5057, 6292, 7780, 7865, 8558, 10114, 15730, 17116, 20228, 21395, 25285, 31460, 42790, 47069, 50570, 55627, 85580, 94138, 101140, 111254, 188276, 222508, 235345, 278135, 470690, 556270, 611897, 941380, 1112540, 1223794, 2447588, 3059485, 6118970, 12237940]

約数ペア:

[(1, 12237940), (2, 6118970), (4, 3059485), (5, 2447588), (10, 1223794), (11, 1112540), (13, 941380), (20, 611897), (22, 556270), (26, 470690), (44, 278135), (52, 235345), (55, 222508), (65, 188276), (110, 111254), (121, 101140), (130, 94138), (143, 85580), (220, 55627), (242, 50570), (260, 47069), (286, 42790), (389, 31460), (484, 25285), (572, 21395), (605, 20228), (715, 17116), (778, 15730), (1210, 10114), (1430, 8558), (1556, 7865), (1573, 7780), (1945, 6292), (2420, 5057), (2860, 4279), (3146, 3890)]