200787640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1091}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 467026560

約数和(自身を除く): 266238920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1091, 1720, 2140, 2182, 4280, 4364, 4601, 5455, 8728, 9202, 10910, 18404, 21820, 23005, 36808, 43640, 46010, 46913, 92020, 93826, 116737, 184040, 187652, 233474, 234565, 375304, 466948, 469130, 583685, 933896, 938260, 1167370, 1876520, 2334740, 4669480, 5019691, 10039382, 20078764, 25098455, 40157528, 50196910, 100393820, 200787640]

約数ペア:

[(1, 200787640), (2, 100393820), (4, 50196910), (5, 40157528), (8, 25098455), (10, 20078764), (20, 10039382), (40, 5019691), (43, 4669480), (86, 2334740), (107, 1876520), (172, 1167370), (214, 938260), (215, 933896), (344, 583685), (428, 469130), (430, 466948), (535, 375304), (856, 234565), (860, 233474), (1070, 187652), (1091, 184040), (1720, 116737), (2140, 93826), (2182, 92020), (4280, 46913), (4364, 46010), (4601, 43640), (5455, 36808), (8728, 23005), (9202, 21820), (10910, 18404)]