219066560

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1361}}^1$

素因数の和:1881

約数の個数: 56

約数和(自身を含む): 523073376

約数和(自身を除く): 304006816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 1361, 2012, 2515, 2722, 4024, 5030, 5444, 6805, 8048, 10060, 10888, 13610, 16096, 20120, 21776, 27220, 32192, 40240, 43552, 54440, 80480, 87104, 108880, 160960, 217760, 435520, 684583, 1369166, 2738332, 3422915, 5476664, 6845830, 10953328, 13691660, 21906656, 27383320, 43813312, 54766640, 109533280, 219066560]

約数ペア:

[(1, 219066560), (2, 109533280), (4, 54766640), (5, 43813312), (8, 27383320), (10, 21906656), (16, 13691660), (20, 10953328), (32, 6845830), (40, 5476664), (64, 3422915), (80, 2738332), (160, 1369166), (320, 684583), (503, 435520), (1006, 217760), (1361, 160960), (2012, 108880), (2515, 87104), (2722, 80480), (4024, 54440), (5030, 43552), (5444, 40240), (6805, 32192), (8048, 27220), (10060, 21776), (10888, 20120), (13610, 16096)]