7877883980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1\times {\mathrm{18731}}^1$

素因数の和:19994

約数の個数: 48

約数和(自身を含む): 17531803296

約数和(自身を除く): 9653919316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1237, 2474, 4948, 6185, 12370, 18731, 21029, 24740, 37462, 42058, 74924, 84116, 93655, 105145, 187310, 210290, 318427, 374620, 420580, 636854, 1273708, 1592135, 3184270, 6368540, 23170247, 46340494, 92680988, 115851235, 231702470, 393894199, 463404940, 787788398, 1575576796, 1969470995, 3938941990, 7877883980]

約数ペア:

[(1, 7877883980), (2, 3938941990), (4, 1969470995), (5, 1575576796), (10, 787788398), (17, 463404940), (20, 393894199), (34, 231702470), (68, 115851235), (85, 92680988), (170, 46340494), (340, 23170247), (1237, 6368540), (2474, 3184270), (4948, 1592135), (6185, 1273708), (12370, 636854), (18731, 420580), (21029, 374620), (24740, 318427), (37462, 210290), (42058, 187310), (74924, 105145), (84116, 93655)]