18439400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13171}}^1$

素因数の和:13194

約数の個数: 48

約数和(自身を含む): 48999840

約数和(自身を除く): 30560440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 13171, 26342, 52684, 65855, 92197, 105368, 131710, 184394, 263420, 329275, 368788, 460985, 526840, 658550, 737576, 921970, 1317100, 1843940, 2304925, 2634200, 3687880, 4609850, 9219700, 18439400]

約数ペア:

[(1, 18439400), (2, 9219700), (4, 4609850), (5, 3687880), (7, 2634200), (8, 2304925), (10, 1843940), (14, 1317100), (20, 921970), (25, 737576), (28, 658550), (35, 526840), (40, 460985), (50, 368788), (56, 329275), (70, 263420), (100, 184394), (140, 131710), (175, 105368), (200, 92197), (280, 65855), (350, 52684), (700, 26342), (1400, 13171)]