200990468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{677}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 420989184

約数和(自身を除く): 219998716

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 461, 644, 677, 922, 1354, 1844, 2708, 3227, 4739, 6454, 9478, 10603, 12908, 15571, 18956, 21206, 31142, 42412, 62284, 74221, 108997, 148442, 217994, 296884, 312097, 435988, 624194, 1248388, 2184679, 4369358, 7178231, 8738716, 14356462, 28712924, 50247617, 100495234, 200990468]

約数ペア:

[(1, 200990468), (2, 100495234), (4, 50247617), (7, 28712924), (14, 14356462), (23, 8738716), (28, 7178231), (46, 4369358), (92, 2184679), (161, 1248388), (322, 624194), (461, 435988), (644, 312097), (677, 296884), (922, 217994), (1354, 148442), (1844, 108997), (2708, 74221), (3227, 62284), (4739, 42412), (6454, 31142), (9478, 21206), (10603, 18956), (12908, 15571)]