255094140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1237}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 818625024

約数和(自身を除く): 563530884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 491, 982, 1237, 1473, 1964, 2455, 2474, 2946, 3437, 3711, 4910, 4948, 5892, 6185, 6874, 7365, 7422, 8659, 9820, 10311, 12370, 13748, 14730, 14844, 17185, 17318, 18555, 20622, 24740, 25977, 29460, 34370, 34636, 37110, 41244, 43295, 51555, 51954, 68740, 74220, 86590, 103110, 103908, 129885, 173180, 206220, 259770, 519540, 607367, 1214734, 1822101, 2429468, 3036835, 3644202, 4251569, 6073670, 7288404, 8503138, 9110505, 12147340, 12754707, 17006276, 18221010, 21257845, 25509414, 36442020, 42515690, 51018828, 63773535, 85031380, 127547070, 255094140]

約数ペア:

[(1, 255094140), (2, 127547070), (3, 85031380), (4, 63773535), (5, 51018828), (6, 42515690), (7, 36442020), (10, 25509414), (12, 21257845), (14, 18221010), (15, 17006276), (20, 12754707), (21, 12147340), (28, 9110505), (30, 8503138), (35, 7288404), (42, 6073670), (60, 4251569), (70, 3644202), (84, 3036835), (105, 2429468), (140, 1822101), (210, 1214734), (420, 607367), (491, 519540), (982, 259770), (1237, 206220), (1473, 173180), (1964, 129885), (2455, 103908), (2474, 103110), (2946, 86590), (3437, 74220), (3711, 68740), (4910, 51954), (4948, 51555), (5892, 43295), (6185, 41244), (6874, 37110), (7365, 34636), (7422, 34370), (8659, 29460), (9820, 25977), (10311, 24740), (12370, 20622), (13748, 18555), (14730, 17318), (14844, 17185)]