220495590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{49999}}^1$

素因数の和:50026

約数の個数: 72

約数和(自身を含む): 666900000

約数和(自身を除く): 446404410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 49999, 99998, 149997, 249995, 299994, 349993, 449991, 499990, 699986, 749985, 899982, 1049979, 1499970, 1749965, 2099958, 2249955, 2449951, 3149937, 3499930, 4499910, 4899902, 5249895, 6299874, 7349853, 10499790, 12249755, 14699706, 15749685, 22049559, 24499510, 31499370, 36749265, 44099118, 73498530, 110247795, 220495590]

約数ペア:

[(1, 220495590), (2, 110247795), (3, 73498530), (5, 44099118), (6, 36749265), (7, 31499370), (9, 24499510), (10, 22049559), (14, 15749685), (15, 14699706), (18, 12249755), (21, 10499790), (30, 7349853), (35, 6299874), (42, 5249895), (45, 4899902), (49, 4499910), (63, 3499930), (70, 3149937), (90, 2449951), (98, 2249955), (105, 2099958), (126, 1749965), (147, 1499970), (210, 1049979), (245, 899982), (294, 749985), (315, 699986), (441, 499990), (490, 449991), (630, 349993), (735, 299994), (882, 249995), (1470, 149997), (2205, 99998), (4410, 49999)]