201719320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4451}}^1$

素因数の和:4576

約数の個数: 64

約数和(自身を含む): 500048640

約数和(自身を除く): 298329320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4451, 4532, 5665, 8902, 9064, 11330, 17804, 22255, 22660, 35608, 44510, 45320, 48961, 89020, 97922, 178040, 195844, 244805, 391688, 458453, 489610, 916906, 979220, 1833812, 1958440, 2292265, 3667624, 4584530, 5042983, 9169060, 10085966, 18338120, 20171932, 25214915, 40343864, 50429830, 100859660, 201719320]

約数ペア:

[(1, 201719320), (2, 100859660), (4, 50429830), (5, 40343864), (8, 25214915), (10, 20171932), (11, 18338120), (20, 10085966), (22, 9169060), (40, 5042983), (44, 4584530), (55, 3667624), (88, 2292265), (103, 1958440), (110, 1833812), (206, 979220), (220, 916906), (412, 489610), (440, 458453), (515, 391688), (824, 244805), (1030, 195844), (1133, 178040), (2060, 97922), (2266, 89020), (4120, 48961), (4451, 45320), (4532, 44510), (5665, 35608), (8902, 22660), (9064, 22255), (11330, 17804)]