84708820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 203833728

約数和(自身を除く): 119124908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 941, 1286, 1882, 2572, 3215, 3764, 4501, 4705, 6430, 6587, 9002, 9410, 12860, 13174, 18004, 18820, 22505, 26348, 32935, 45010, 65870, 90020, 131740, 605063, 1210126, 2420252, 3025315, 4235441, 6050630, 8470882, 12101260, 16941764, 21177205, 42354410, 84708820]

約数ペア:

[(1, 84708820), (2, 42354410), (4, 21177205), (5, 16941764), (7, 12101260), (10, 8470882), (14, 6050630), (20, 4235441), (28, 3025315), (35, 2420252), (70, 1210126), (140, 605063), (643, 131740), (941, 90020), (1286, 65870), (1882, 45010), (2572, 32935), (3215, 26348), (3764, 22505), (4501, 18820), (4705, 18004), (6430, 13174), (6587, 12860), (9002, 9410)]