219536940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522707}}^1$

素因数の和:522726

約数の個数: 48

約数和(自身を含む): 702519552

約数和(自身を除く): 482982612

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, 522707, 1045414, 1568121, 2090828, 2613535, 3136242, 3658949, 5227070, 6272484, 7317898, 7840605, 10454140, 10976847, 14635796, 15681210, 18294745, 21953694, 31362420, 36589490, 43907388, 54884235, 73178980, 109768470, 219536940]

約数ペア:

[(1, 219536940), (2, 109768470), (3, 73178980), (4, 54884235), (5, 43907388), (6, 36589490), (7, 31362420), (10, 21953694), (12, 18294745), (14, 15681210), (15, 14635796), (20, 10976847), (21, 10454140), (28, 7840605), (30, 7317898), (35, 6272484), (42, 5227070), (60, 3658949), (70, 3136242), (84, 2613535), (105, 2090828), (140, 1568121), (210, 1045414), (420, 522707)]