2751140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 6771072

約数和(自身を除く): 4019932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 457, 602, 860, 914, 1204, 1505, 1828, 2285, 3010, 3199, 4570, 6020, 6398, 9140, 12796, 15995, 19651, 31990, 39302, 63980, 78604, 98255, 137557, 196510, 275114, 393020, 550228, 687785, 1375570, 2751140]

約数ペア:

[(1, 2751140), (2, 1375570), (4, 687785), (5, 550228), (7, 393020), (10, 275114), (14, 196510), (20, 137557), (28, 98255), (35, 78604), (43, 63980), (70, 39302), (86, 31990), (140, 19651), (172, 15995), (215, 12796), (301, 9140), (430, 6398), (457, 6020), (602, 4570), (860, 3199), (914, 3010), (1204, 2285), (1505, 1828)]