199953490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4649}}^1$

素因数の和:4707

約数の個数: 64

約数和(自身を含む): 433900800

約数和(自身を除く): 233947310

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 782, 935, 1265, 1870, 1955, 2530, 3910, 4301, 4649, 8602, 9298, 21505, 23245, 43010, 46490, 51139, 79033, 102278, 106927, 158066, 213854, 255695, 395165, 511390, 534635, 790330, 869363, 1069270, 1176197, 1738726, 1817759, 2352394, 3635518, 4346815, 5880985, 8693630, 9088795, 11761970, 18177590, 19995349, 39990698, 99976745, 199953490]

約数ペア:

[(1, 199953490), (2, 99976745), (5, 39990698), (10, 19995349), (11, 18177590), (17, 11761970), (22, 9088795), (23, 8693630), (34, 5880985), (46, 4346815), (55, 3635518), (85, 2352394), (110, 1817759), (115, 1738726), (170, 1176197), (187, 1069270), (230, 869363), (253, 790330), (374, 534635), (391, 511390), (506, 395165), (782, 255695), (935, 213854), (1265, 158066), (1870, 106927), (1955, 102278), (2530, 79033), (3910, 51139), (4301, 46490), (4649, 43010), (8602, 23245), (9298, 21505)]