1326920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{677}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 3478140

約数和(自身を除く): 2151220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 677, 980, 1354, 1960, 2708, 3385, 4739, 5416, 6770, 9478, 13540, 18956, 23695, 27080, 33173, 37912, 47390, 66346, 94780, 132692, 165865, 189560, 265384, 331730, 663460, 1326920]

約数ペア:

[(1, 1326920), (2, 663460), (4, 331730), (5, 265384), (7, 189560), (8, 165865), (10, 132692), (14, 94780), (20, 66346), (28, 47390), (35, 37912), (40, 33173), (49, 27080), (56, 23695), (70, 18956), (98, 13540), (140, 9478), (196, 6770), (245, 5416), (280, 4739), (392, 3385), (490, 2708), (677, 1960), (980, 1354)]