520022180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{66499}}^1$

素因数の和:66548

約数の個数: 48

約数和(自身を含む): 1206576000

約数和(自身を除く): 686553820

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 66499, 132998, 265996, 332495, 664990, 1130483, 1329980, 1529477, 2260966, 3058954, 4521932, 5652415, 6117908, 7647385, 11304830, 15294770, 22609660, 26001109, 30589540, 52002218, 104004436, 130005545, 260011090, 520022180]

約数ペア:

[(1, 520022180), (2, 260011090), (4, 130005545), (5, 104004436), (10, 52002218), (17, 30589540), (20, 26001109), (23, 22609660), (34, 15294770), (46, 11304830), (68, 7647385), (85, 6117908), (92, 5652415), (115, 4521932), (170, 3058954), (230, 2260966), (340, 1529477), (391, 1329980), (460, 1130483), (782, 664990), (1564, 332495), (1955, 265996), (3910, 132998), (7820, 66499)]