2653840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{677}}^1$

素因数の和:704

約数の個数: 60

約数和(自身を含む): 7188156

約数和(自身を除く): 4534316

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 677, 784, 980, 1354, 1960, 2708, 3385, 3920, 4739, 5416, 6770, 9478, 10832, 13540, 18956, 23695, 27080, 33173, 37912, 47390, 54160, 66346, 75824, 94780, 132692, 165865, 189560, 265384, 331730, 379120, 530768, 663460, 1326920, 2653840]

約数ペア:

[(1, 2653840), (2, 1326920), (4, 663460), (5, 530768), (7, 379120), (8, 331730), (10, 265384), (14, 189560), (16, 165865), (20, 132692), (28, 94780), (35, 75824), (40, 66346), (49, 54160), (56, 47390), (70, 37912), (80, 33173), (98, 27080), (112, 23695), (140, 18956), (196, 13540), (245, 10832), (280, 9478), (392, 6770), (490, 5416), (560, 4739), (677, 3920), (784, 3385), (980, 2708), (1354, 1960)]