258486580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{8969}}^1$

素因数の和:9120

約数の個数: 48

約数和(自身を含む): 596756160

約数和(自身を除く): 338269580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 8969, 14410, 17938, 28820, 35876, 44845, 89690, 98659, 179380, 197318, 394636, 493295, 986590, 1174939, 1973180, 2349878, 4699756, 5874695, 11749390, 12924329, 23498780, 25848658, 51697316, 64621645, 129243290, 258486580]

約数ペア:

[(1, 258486580), (2, 129243290), (4, 64621645), (5, 51697316), (10, 25848658), (11, 23498780), (20, 12924329), (22, 11749390), (44, 5874695), (55, 4699756), (110, 2349878), (131, 1973180), (220, 1174939), (262, 986590), (524, 493295), (655, 394636), (1310, 197318), (1441, 179380), (2620, 98659), (2882, 89690), (5764, 44845), (7205, 35876), (8969, 28820), (14410, 17938)]