201990090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{659}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 514926720

約数和(自身を除く): 312936630

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 601, 659, 1202, 1318, 1803, 1977, 3005, 3295, 3606, 3954, 6010, 6590, 9015, 9885, 10217, 11203, 18030, 19770, 20434, 22406, 30651, 33609, 51085, 56015, 61302, 67218, 102170, 112030, 153255, 168045, 306510, 336090, 396059, 792118, 1188177, 1980295, 2376354, 3960590, 5940885, 6733003, 11881770, 13466006, 20199009, 33665015, 40398018, 67330030, 100995045, 201990090]

約数ペア:

[(1, 201990090), (2, 100995045), (3, 67330030), (5, 40398018), (6, 33665015), (10, 20199009), (15, 13466006), (17, 11881770), (30, 6733003), (34, 5940885), (51, 3960590), (85, 2376354), (102, 1980295), (170, 1188177), (255, 792118), (510, 396059), (601, 336090), (659, 306510), (1202, 168045), (1318, 153255), (1803, 112030), (1977, 102170), (3005, 67218), (3295, 61302), (3606, 56015), (3954, 51085), (6010, 33609), (6590, 30651), (9015, 22406), (9885, 20434), (10217, 19770), (11203, 18030)]