2179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 5467392

約数和(自身を除く): 3287452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 677, 805, 1354, 1610, 2708, 3220, 3385, 4739, 6770, 9478, 13540, 15571, 18956, 23695, 31142, 47390, 62284, 77855, 94780, 108997, 155710, 217994, 311420, 435988, 544985, 1089970, 2179940]

約数ペア:

[(1, 2179940), (2, 1089970), (4, 544985), (5, 435988), (7, 311420), (10, 217994), (14, 155710), (20, 108997), (23, 94780), (28, 77855), (35, 62284), (46, 47390), (70, 31142), (92, 23695), (115, 18956), (140, 15571), (161, 13540), (230, 9478), (322, 6770), (460, 4739), (644, 3385), (677, 3220), (805, 2708), (1354, 1610)]