71850590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 85743010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 178, 190, 266, 445, 607, 623, 665, 890, 1214, 1246, 1330, 1691, 3035, 3115, 3382, 4249, 6070, 6230, 8455, 8498, 11533, 11837, 16910, 21245, 23066, 23674, 42490, 54023, 57665, 59185, 80731, 108046, 115330, 118370, 161462, 270115, 378161, 403655, 540230, 756322, 807310, 1026437, 1890805, 2052874, 3781610, 5132185, 7185059, 10264370, 14370118, 35925295, 71850590]

約数ペア:

[(1, 71850590), (2, 35925295), (5, 14370118), (7, 10264370), (10, 7185059), (14, 5132185), (19, 3781610), (35, 2052874), (38, 1890805), (70, 1026437), (89, 807310), (95, 756322), (133, 540230), (178, 403655), (190, 378161), (266, 270115), (445, 161462), (607, 118370), (623, 115330), (665, 108046), (890, 80731), (1214, 59185), (1246, 57665), (1330, 54023), (1691, 42490), (3035, 23674), (3115, 23066), (3382, 21245), (4249, 16910), (6070, 11837), (6230, 11533), (8455, 8498)]