208595380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3457}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 501935616

約数和(自身を除く): 293340236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 3457, 4310, 6034, 6914, 8620, 12068, 13828, 15085, 17285, 24199, 30170, 34570, 48398, 60340, 69140, 96796, 120995, 241990, 483980, 1489967, 2979934, 5959868, 7449835, 10429769, 14899670, 20859538, 29799340, 41719076, 52148845, 104297690, 208595380]

約数ペア:

[(1, 208595380), (2, 104297690), (4, 52148845), (5, 41719076), (7, 29799340), (10, 20859538), (14, 14899670), (20, 10429769), (28, 7449835), (35, 5959868), (70, 2979934), (140, 1489967), (431, 483980), (862, 241990), (1724, 120995), (2155, 96796), (3017, 69140), (3457, 60340), (4310, 48398), (6034, 34570), (6914, 30170), (8620, 24199), (12068, 17285), (13828, 15085)]