219835520

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6553

約数の個数: 64

約数和(自身を含む): 535542840

約数和(自身を除く): 315707320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6481, 6784, 8480, 12962, 16960, 25924, 32405, 33920, 51848, 64810, 103696, 129620, 207392, 259240, 343493, 414784, 518480, 686986, 829568, 1036960, 1373972, 1717465, 2073920, 2747944, 3434930, 4147840, 5495888, 6869860, 10991776, 13739720, 21983552, 27479440, 43967104, 54958880, 109917760, 219835520]

約数ペア:

[(1, 219835520), (2, 109917760), (4, 54958880), (5, 43967104), (8, 27479440), (10, 21983552), (16, 13739720), (20, 10991776), (32, 6869860), (40, 5495888), (53, 4147840), (64, 3434930), (80, 2747944), (106, 2073920), (128, 1717465), (160, 1373972), (212, 1036960), (265, 829568), (320, 686986), (424, 518480), (530, 414784), (640, 343493), (848, 259240), (1060, 207392), (1696, 129620), (2120, 103696), (3392, 64810), (4240, 51848), (6481, 33920), (6784, 32405), (8480, 25924), (12962, 16960)]