199171980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{52691}}^1$

素因数の和:52716

約数の個数: 96

約数和(自身を含む): 708180480

約数和(自身を除く): 509008500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 52691, 105382, 158073, 210764, 263455, 316146, 368837, 474219, 526910, 632292, 737674, 790365, 948438, 1053820, 1106511, 1422657, 1475348, 1580730, 1844185, 1896876, 2213022, 2371095, 2845314, 3161460, 3319533, 3688370, 4426044, 4742190, 5532555, 5690628, 6639066, 7113285, 7376740, 9484380, 9958599, 11065110, 13278132, 14226570, 16597665, 19917198, 22130220, 28453140, 33195330, 39834396, 49792995, 66390660, 99585990, 199171980]

約数ペア:

[(1, 199171980), (2, 99585990), (3, 66390660), (4, 49792995), (5, 39834396), (6, 33195330), (7, 28453140), (9, 22130220), (10, 19917198), (12, 16597665), (14, 14226570), (15, 13278132), (18, 11065110), (20, 9958599), (21, 9484380), (27, 7376740), (28, 7113285), (30, 6639066), (35, 5690628), (36, 5532555), (42, 4742190), (45, 4426044), (54, 3688370), (60, 3319533), (63, 3161460), (70, 2845314), (84, 2371095), (90, 2213022), (105, 1896876), (108, 1844185), (126, 1580730), (135, 1475348), (140, 1422657), (180, 1106511), (189, 1053820), (210, 948438), (252, 790365), (270, 737674), (315, 632292), (378, 526910), (420, 474219), (540, 368837), (630, 316146), (756, 263455), (945, 210764), (1260, 158073), (1890, 105382), (3780, 52691)]