1900569748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{7901}}^1$

素因数の和:8005

約数の個数: 72

約数和(自身を含む): 4237494912

約数和(自身を除く): 2336925164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 781, 847, 994, 1562, 1694, 1988, 3124, 3388, 5467, 7901, 8591, 10934, 15802, 17182, 21868, 31604, 34364, 55307, 60137, 86911, 110614, 120274, 173822, 221228, 240548, 347644, 560971, 608377, 956021, 1121942, 1216754, 1912042, 2243884, 2433508, 3824084, 3926797, 6170681, 6692147, 7853594, 12341362, 13384294, 15707188, 24682724, 26768588, 43194767, 67877491, 86389534, 135754982, 172779068, 271509964, 475142437, 950284874, 1900569748]

約数ペア:

[(1, 1900569748), (2, 950284874), (4, 475142437), (7, 271509964), (11, 172779068), (14, 135754982), (22, 86389534), (28, 67877491), (44, 43194767), (71, 26768588), (77, 24682724), (121, 15707188), (142, 13384294), (154, 12341362), (242, 7853594), (284, 6692147), (308, 6170681), (484, 3926797), (497, 3824084), (781, 2433508), (847, 2243884), (994, 1912042), (1562, 1216754), (1694, 1121942), (1988, 956021), (3124, 608377), (3388, 560971), (5467, 347644), (7901, 240548), (8591, 221228), (10934, 173822), (15802, 120274), (17182, 110614), (21868, 86911), (31604, 60137), (34364, 55307)]