1870293740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{677}}^1\times {\mathrm{2819}}^1$

素因数の和:3519

約数の個数: 72

約数和(自身を含む): 4577232240

約数和(自身を除く): 2706938500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 677, 980, 1354, 2708, 2819, 3385, 4739, 5638, 6770, 9478, 11276, 13540, 14095, 18956, 19733, 23695, 28190, 33173, 39466, 47390, 56380, 66346, 78932, 94780, 98665, 132692, 138131, 165865, 197330, 276262, 331730, 394660, 552524, 663460, 690655, 1381310, 1908463, 2762620, 3816926, 7633852, 9542315, 13359241, 19084630, 26718482, 38169260, 53436964, 66796205, 93514687, 133592410, 187029374, 267184820, 374058748, 467573435, 935146870, 1870293740]

約数ペア:

[(1, 1870293740), (2, 935146870), (4, 467573435), (5, 374058748), (7, 267184820), (10, 187029374), (14, 133592410), (20, 93514687), (28, 66796205), (35, 53436964), (49, 38169260), (70, 26718482), (98, 19084630), (140, 13359241), (196, 9542315), (245, 7633852), (490, 3816926), (677, 2762620), (980, 1908463), (1354, 1381310), (2708, 690655), (2819, 663460), (3385, 552524), (4739, 394660), (5638, 331730), (6770, 276262), (9478, 197330), (11276, 165865), (13540, 138131), (14095, 132692), (18956, 98665), (19733, 94780), (23695, 78932), (28190, 66346), (33173, 56380), (39466, 47390)]