663460

素因数分解:

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

素因数の和:700

約数の個数: 36

約数和(自身を含む): 1623132

約数和(自身を除く): 959672

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 677, 980, 1354, 2708, 3385, 4739, 6770, 9478, 13540, 18956, 23695, 33173, 47390, 66346, 94780, 132692, 165865, 331730, 663460]

約数ペア:

[(1, 663460), (2, 331730), (4, 165865), (5, 132692), (7, 94780), (10, 66346), (14, 47390), (20, 33173), (28, 23695), (35, 18956), (49, 13540), (70, 9478), (98, 6770), (140, 4739), (196, 3385), (245, 2708), (490, 1354), (677, 980)]