213072920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 519060960

約数和(自身を除く): 305988040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 241, 248, 310, 460, 482, 620, 713, 920, 961, 964, 1205, 1240, 1426, 1922, 1928, 2410, 2852, 3565, 3844, 4805, 4820, 5543, 5704, 7130, 7471, 7688, 9610, 9640, 11086, 14260, 14942, 19220, 22103, 22172, 27715, 28520, 29884, 37355, 38440, 44206, 44344, 55430, 59768, 74710, 88412, 110515, 110860, 149420, 171833, 176824, 221030, 221720, 231601, 298840, 343666, 442060, 463202, 687332, 859165, 884120, 926404, 1158005, 1374664, 1718330, 1852808, 2316010, 3436660, 4632020, 5326823, 6873320, 9264040, 10653646, 21307292, 26634115, 42614584, 53268230, 106536460, 213072920]

約数ペア:

[(1, 213072920), (2, 106536460), (4, 53268230), (5, 42614584), (8, 26634115), (10, 21307292), (20, 10653646), (23, 9264040), (31, 6873320), (40, 5326823), (46, 4632020), (62, 3436660), (92, 2316010), (115, 1852808), (124, 1718330), (155, 1374664), (184, 1158005), (230, 926404), (241, 884120), (248, 859165), (310, 687332), (460, 463202), (482, 442060), (620, 343666), (713, 298840), (920, 231601), (961, 221720), (964, 221030), (1205, 176824), (1240, 171833), (1426, 149420), (1922, 110860), (1928, 110515), (2410, 88412), (2852, 74710), (3565, 59768), (3844, 55430), (4805, 44344), (4820, 44206), (5543, 38440), (5704, 37355), (7130, 29884), (7471, 28520), (7688, 27715), (9610, 22172), (9640, 22103), (11086, 19220), (14260, 14942)]