165451020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393931}}^1$

素因数の和:393950

約数の個数: 48

約数和(自身を含む): 529444608

約数和(自身を除く): 363993588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 393931, 787862, 1181793, 1575724, 1969655, 2363586, 2757517, 3939310, 4727172, 5515034, 5908965, 7878620, 8272551, 11030068, 11817930, 13787585, 16545102, 23635860, 27575170, 33090204, 41362755, 55150340, 82725510, 165451020]

約数ペア:

[(1, 165451020), (2, 82725510), (3, 55150340), (4, 41362755), (5, 33090204), (6, 27575170), (7, 23635860), (10, 16545102), (12, 13787585), (14, 11817930), (15, 11030068), (20, 8272551), (21, 7878620), (28, 5908965), (30, 5515034), (35, 4727172), (42, 3939310), (60, 2757517), (70, 2363586), (84, 1969655), (105, 1575724), (140, 1181793), (210, 787862), (420, 393931)]