1378580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 3400320

約数和(自身を除く): 2021740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 229, 301, 430, 458, 602, 860, 916, 1145, 1204, 1505, 1603, 2290, 3010, 3206, 4580, 6020, 6412, 8015, 9847, 16030, 19694, 32060, 39388, 49235, 68929, 98470, 137858, 196940, 275716, 344645, 689290, 1378580]

約数ペア:

[(1, 1378580), (2, 689290), (4, 344645), (5, 275716), (7, 196940), (10, 137858), (14, 98470), (20, 68929), (28, 49235), (35, 39388), (43, 32060), (70, 19694), (86, 16030), (140, 9847), (172, 8015), (215, 6412), (229, 6020), (301, 4580), (430, 3206), (458, 3010), (602, 2290), (860, 1603), (916, 1505), (1145, 1204)]