13945820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 35997696

約数和(自身を除く): 22051876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 71, 92, 115, 122, 140, 142, 161, 230, 244, 284, 305, 322, 355, 427, 460, 497, 610, 644, 710, 805, 854, 994, 1220, 1403, 1420, 1610, 1633, 1708, 1988, 2135, 2485, 2806, 3220, 3266, 4270, 4331, 4970, 5612, 6532, 7015, 8165, 8540, 8662, 9821, 9940, 11431, 14030, 16330, 17324, 19642, 21655, 22862, 28060, 30317, 32660, 39284, 43310, 45724, 49105, 57155, 60634, 86620, 98210, 99613, 114310, 121268, 151585, 196420, 199226, 228620, 303170, 398452, 498065, 606340, 697291, 996130, 1394582, 1992260, 2789164, 3486455, 6972910, 13945820]

約数ペア:

[(1, 13945820), (2, 6972910), (4, 3486455), (5, 2789164), (7, 1992260), (10, 1394582), (14, 996130), (20, 697291), (23, 606340), (28, 498065), (35, 398452), (46, 303170), (61, 228620), (70, 199226), (71, 196420), (92, 151585), (115, 121268), (122, 114310), (140, 99613), (142, 98210), (161, 86620), (230, 60634), (244, 57155), (284, 49105), (305, 45724), (322, 43310), (355, 39284), (427, 32660), (460, 30317), (497, 28060), (610, 22862), (644, 21655), (710, 19642), (805, 17324), (854, 16330), (994, 14030), (1220, 11431), (1403, 9940), (1420, 9821), (1610, 8662), (1633, 8540), (1708, 8165), (1988, 7015), (2135, 6532), (2485, 5612), (2806, 4970), (3220, 4331), (3266, 4270)]