207462530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 435207168

約数和(自身を除く): 227744638

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 110, 115, 215, 230, 253, 430, 473, 506, 946, 989, 1265, 1907, 1978, 2365, 2530, 3814, 4730, 4945, 9535, 9890, 10879, 19070, 20977, 21758, 41954, 43861, 54395, 82001, 87722, 104885, 108790, 164002, 209770, 219305, 410005, 438610, 482471, 820010, 902011, 964942, 1804022, 1886023, 2412355, 3772046, 4510055, 4824710, 9020110, 9430115, 18860230, 20746253, 41492506, 103731265, 207462530]

約数ペア:

[(1, 207462530), (2, 103731265), (5, 41492506), (10, 20746253), (11, 18860230), (22, 9430115), (23, 9020110), (43, 4824710), (46, 4510055), (55, 3772046), (86, 2412355), (110, 1886023), (115, 1804022), (215, 964942), (230, 902011), (253, 820010), (430, 482471), (473, 438610), (506, 410005), (946, 219305), (989, 209770), (1265, 164002), (1907, 108790), (1978, 104885), (2365, 87722), (2530, 82001), (3814, 54395), (4730, 43861), (4945, 41954), (9535, 21758), (9890, 20977), (10879, 19070)]