4644220

素因数分解:

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

素因数の和:707

約数の個数: 48

約数和(自身を含む): 11390400

約数和(自身を除く): 6746180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 677, 686, 980, 1354, 1372, 1715, 2708, 3385, 3430, 4739, 6770, 6860, 9478, 13540, 18956, 23695, 33173, 47390, 66346, 94780, 132692, 165865, 232211, 331730, 464422, 663460, 928844, 1161055, 2322110, 4644220]

約数ペア:

[(1, 4644220), (2, 2322110), (4, 1161055), (5, 928844), (7, 663460), (10, 464422), (14, 331730), (20, 232211), (28, 165865), (35, 132692), (49, 94780), (70, 66346), (98, 47390), (140, 33173), (196, 23695), (245, 18956), (343, 13540), (490, 9478), (677, 6860), (686, 6770), (980, 4739), (1354, 3430), (1372, 3385), (1715, 2708)]