210008819780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{22619}}^1\times {\mathrm{4259}}^1$

素因数の和:26996

約数の個数: 48

約数和(自身を含む): 445188744000

約数和(自身を除く): 235179924220

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4259, 8518, 17036, 21295, 22619, 42590, 45238, 85180, 90476, 113095, 226190, 452380, 464231, 928462, 1856924, 2321155, 2465471, 4642310, 4930942, 9284620, 9861884, 12327355, 24654710, 49309420, 96334321, 192668642, 385337284, 481671605, 963343210, 1926686420, 10500440989, 21000881978, 42001763956, 52502204945, 105004409890, 210008819780]

約数ペア:

[(1, 210008819780), (2, 105004409890), (4, 52502204945), (5, 42001763956), (10, 21000881978), (20, 10500440989), (109, 1926686420), (218, 963343210), (436, 481671605), (545, 385337284), (1090, 192668642), (2180, 96334321), (4259, 49309420), (8518, 24654710), (17036, 12327355), (21295, 9861884), (22619, 9284620), (42590, 4930942), (45238, 4642310), (85180, 2465471), (90476, 2321155), (113095, 1856924), (226190, 928462), (452380, 464231)]