220190180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9649}}^1$

素因数の和:9828

約数の個数: 48

約数和(自身を含む): 531753600

約数和(自身を除く): 311563420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 9649, 11410, 19298, 22820, 38596, 48245, 67543, 96490, 135086, 192980, 270172, 337715, 675430, 1350860, 1572787, 3145574, 6291148, 7863935, 11009509, 15727870, 22019018, 31455740, 44038036, 55047545, 110095090, 220190180]

約数ペア:

[(1, 220190180), (2, 110095090), (4, 55047545), (5, 44038036), (7, 31455740), (10, 22019018), (14, 15727870), (20, 11009509), (28, 7863935), (35, 6291148), (70, 3145574), (140, 1572787), (163, 1350860), (326, 675430), (652, 337715), (815, 270172), (1141, 192980), (1630, 135086), (2282, 96490), (3260, 67543), (4564, 48245), (5705, 38596), (9649, 22820), (11410, 19298)]