13923980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 33632256

約数和(自身を除く): 19708276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 367, 542, 734, 1084, 1355, 1468, 1835, 1897, 2569, 2710, 3670, 3794, 5138, 5420, 7340, 7588, 9485, 10276, 12845, 18970, 25690, 37940, 51380, 99457, 198914, 397828, 497285, 696199, 994570, 1392398, 1989140, 2784796, 3480995, 6961990, 13923980]

約数ペア:

[(1, 13923980), (2, 6961990), (4, 3480995), (5, 2784796), (7, 1989140), (10, 1392398), (14, 994570), (20, 696199), (28, 497285), (35, 397828), (70, 198914), (140, 99457), (271, 51380), (367, 37940), (542, 25690), (734, 18970), (1084, 12845), (1355, 10276), (1468, 9485), (1835, 7588), (1897, 7340), (2569, 5420), (2710, 5138), (3670, 3794)]