148947440

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4643}}^1$

素因数の和:5057

約数の個数: 40

約数和(自身を含む): 347241168

約数和(自身を除く): 198293728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 4643, 6416, 8020, 9286, 16040, 18572, 23215, 32080, 37144, 46430, 74288, 92860, 185720, 371440, 1861843, 3723686, 7447372, 9309215, 14894744, 18618430, 29789488, 37236860, 74473720, 148947440]

約数ペア:

[(1, 148947440), (2, 74473720), (4, 37236860), (5, 29789488), (8, 18618430), (10, 14894744), (16, 9309215), (20, 7447372), (40, 3723686), (80, 1861843), (401, 371440), (802, 185720), (1604, 92860), (2005, 74288), (3208, 46430), (4010, 37144), (4643, 32080), (6416, 23215), (8020, 18572), (9286, 16040)]