201620794540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1\times {\mathrm{9479}}^1$

素因数の和:10495

約数の個数: 96

約数和(自身を含む): 466707225600

約数和(自身を除く): 265086431060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 887, 1090, 1199, 1774, 2180, 2398, 3548, 4435, 4796, 5995, 8870, 9479, 9757, 11990, 17740, 18958, 19514, 23980, 37916, 39028, 47395, 48785, 94790, 96683, 97570, 104269, 189580, 193366, 195140, 208538, 386732, 417076, 483415, 521345, 966830, 1033211, 1042690, 1063513, 1933660, 2066422, 2085380, 2127026, 4132844, 4254052, 5166055, 5317565, 8407873, 10332110, 10635130, 11365321, 16815746, 20664220, 21270260, 22730642, 33631492, 42039365, 45461284, 56826605, 84078730, 92486603, 113653210, 168157460, 184973206, 227306420, 369946412, 462433015, 916458157, 924866030, 1832916314, 1849732060, 3665832628, 4582290785, 9164581570, 10081039727, 18329163140, 20162079454, 40324158908, 50405198635, 100810397270, 201620794540]

約数ペア:

[(1, 201620794540), (2, 100810397270), (4, 50405198635), (5, 40324158908), (10, 20162079454), (11, 18329163140), (20, 10081039727), (22, 9164581570), (44, 4582290785), (55, 3665832628), (109, 1849732060), (110, 1832916314), (218, 924866030), (220, 916458157), (436, 462433015), (545, 369946412), (887, 227306420), (1090, 184973206), (1199, 168157460), (1774, 113653210), (2180, 92486603), (2398, 84078730), (3548, 56826605), (4435, 45461284), (4796, 42039365), (5995, 33631492), (8870, 22730642), (9479, 21270260), (9757, 20664220), (11990, 16815746), (17740, 11365321), (18958, 10635130), (19514, 10332110), (23980, 8407873), (37916, 5317565), (39028, 5166055), (47395, 4254052), (48785, 4132844), (94790, 2127026), (96683, 2085380), (97570, 2066422), (104269, 1933660), (189580, 1063513), (193366, 1042690), (195140, 1033211), (208538, 966830), (386732, 521345), (417076, 483415)]