220640255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 305856000

約数和(自身を除く): 85215745

約数列:

[1, 5, 11, 19, 55, 95, 199, 209, 995, 1045, 1061, 2189, 3781, 5305, 10945, 11671, 18905, 20159, 41591, 58355, 100795, 207955, 211139, 221749, 1055695, 1108745, 2322529, 4011641, 11612645, 20058205, 44128051, 220640255]

約数ペア:

[(1, 220640255), (5, 44128051), (11, 20058205), (19, 11612645), (55, 4011641), (95, 2322529), (199, 1108745), (209, 1055695), (995, 221749), (1045, 211139), (1061, 207955), (2189, 100795), (3781, 58355), (5305, 41591), (10945, 20159), (11671, 18905)]