206542520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{1051}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 494229600

約数和(自身を除く): 287687080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1051, 1156, 1445, 2102, 2312, 2890, 4204, 4913, 5255, 5780, 8408, 9826, 10510, 11560, 17867, 19652, 21020, 24565, 35734, 39304, 42040, 49130, 71468, 89335, 98260, 142936, 178670, 196520, 303739, 357340, 607478, 714680, 1214956, 1518695, 2429912, 3037390, 5163563, 6074780, 10327126, 12149560, 20654252, 25817815, 41308504, 51635630, 103271260, 206542520]

約数ペア:

[(1, 206542520), (2, 103271260), (4, 51635630), (5, 41308504), (8, 25817815), (10, 20654252), (17, 12149560), (20, 10327126), (34, 6074780), (40, 5163563), (68, 3037390), (85, 2429912), (136, 1518695), (170, 1214956), (289, 714680), (340, 607478), (578, 357340), (680, 303739), (1051, 196520), (1156, 178670), (1445, 142936), (2102, 98260), (2312, 89335), (2890, 71468), (4204, 49130), (4913, 42040), (5255, 39304), (5780, 35734), (8408, 24565), (9826, 21020), (10510, 19652), (11560, 17867)]