31305820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 82188288

約数和(自身を除く): 50882468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 140, 167, 182, 206, 260, 334, 364, 412, 455, 515, 668, 721, 835, 910, 1030, 1169, 1339, 1442, 1670, 1820, 2060, 2171, 2338, 2678, 2884, 3340, 3605, 4342, 4676, 5356, 5845, 6695, 7210, 8684, 9373, 10855, 11690, 13390, 14420, 15197, 17201, 18746, 21710, 23380, 26780, 30394, 34402, 37492, 43420, 46865, 60788, 68804, 75985, 86005, 93730, 120407, 151970, 172010, 187460, 223613, 240814, 303940, 344020, 447226, 481628, 602035, 894452, 1118065, 1204070, 1565291, 2236130, 2408140, 3130582, 4472260, 6261164, 7826455, 15652910, 31305820]

約数ペア:

[(1, 31305820), (2, 15652910), (4, 7826455), (5, 6261164), (7, 4472260), (10, 3130582), (13, 2408140), (14, 2236130), (20, 1565291), (26, 1204070), (28, 1118065), (35, 894452), (52, 602035), (65, 481628), (70, 447226), (91, 344020), (103, 303940), (130, 240814), (140, 223613), (167, 187460), (182, 172010), (206, 151970), (260, 120407), (334, 93730), (364, 86005), (412, 75985), (455, 68804), (515, 60788), (668, 46865), (721, 43420), (835, 37492), (910, 34402), (1030, 30394), (1169, 26780), (1339, 23380), (1442, 21710), (1670, 18746), (1820, 17201), (2060, 15197), (2171, 14420), (2338, 13390), (2678, 11690), (2884, 10855), (3340, 9373), (3605, 8684), (4342, 7210), (4676, 6695), (5356, 5845)]