280221948

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6547

約数の個数: 72

約数和(自身を含む): 760687200

約数和(自身を除く): 480465252

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 852, 1207, 1278, 2414, 2556, 3621, 4828, 6449, 7242, 10863, 12898, 14484, 19347, 21726, 25796, 38694, 43452, 58041, 77388, 109633, 116082, 219266, 232164, 328899, 438532, 457879, 657798, 915758, 986697, 1315596, 1373637, 1831516, 1973394, 2747274, 3946788, 4120911, 5494548, 7783943, 8241822, 15567886, 16483644, 23351829, 31135772, 46703658, 70055487, 93407316, 140110974, 280221948]

約数ペア:

[(1, 280221948), (2, 140110974), (3, 93407316), (4, 70055487), (6, 46703658), (9, 31135772), (12, 23351829), (17, 16483644), (18, 15567886), (34, 8241822), (36, 7783943), (51, 5494548), (68, 4120911), (71, 3946788), (102, 2747274), (142, 1973394), (153, 1831516), (204, 1373637), (213, 1315596), (284, 986697), (306, 915758), (426, 657798), (612, 457879), (639, 438532), (852, 328899), (1207, 232164), (1278, 219266), (2414, 116082), (2556, 109633), (3621, 77388), (4828, 58041), (6449, 43452), (7242, 38694), (10863, 25796), (12898, 21726), (14484, 19347)]