205584910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 404352000

約数和(自身を除く): 198767090

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 103, 118, 170, 199, 206, 295, 398, 515, 590, 995, 1003, 1030, 1751, 1990, 2006, 3383, 3502, 5015, 6077, 6766, 8755, 10030, 11741, 12154, 16915, 17510, 20497, 23482, 30385, 33830, 40994, 58705, 60770, 102485, 103309, 117410, 199597, 204970, 206618, 348449, 399194, 516545, 696898, 997985, 1033090, 1209323, 1742245, 1995970, 2418646, 3484490, 6046615, 12093230, 20558491, 41116982, 102792455, 205584910]

約数ペア:

[(1, 205584910), (2, 102792455), (5, 41116982), (10, 20558491), (17, 12093230), (34, 6046615), (59, 3484490), (85, 2418646), (103, 1995970), (118, 1742245), (170, 1209323), (199, 1033090), (206, 997985), (295, 696898), (398, 516545), (515, 399194), (590, 348449), (995, 206618), (1003, 204970), (1030, 199597), (1751, 117410), (1990, 103309), (2006, 102485), (3383, 60770), (3502, 58705), (5015, 40994), (6077, 33830), (6766, 30385), (8755, 23482), (10030, 20497), (11741, 17510), (12154, 16915)]