2017823720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{23279}}^1$

素因数の和:23498

約数の個数: 64

約数和(自身を含む): 4978195200

約数和(自身を除く): 2960371480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7880, 8668, 10835, 17336, 21670, 23279, 43340, 46558, 86680, 93116, 116395, 186232, 232790, 256069, 465580, 512138, 931160, 1024276, 1280345, 2048552, 2560690, 4585963, 5121380, 9171926, 10242760, 18343852, 22929815, 36687704, 45859630, 50445593, 91719260, 100891186, 183438520, 201782372, 252227965, 403564744, 504455930, 1008911860, 2017823720]

約数ペア:

[(1, 2017823720), (2, 1008911860), (4, 504455930), (5, 403564744), (8, 252227965), (10, 201782372), (11, 183438520), (20, 100891186), (22, 91719260), (40, 50445593), (44, 45859630), (55, 36687704), (88, 22929815), (110, 18343852), (197, 10242760), (220, 9171926), (394, 5121380), (440, 4585963), (788, 2560690), (985, 2048552), (1576, 1280345), (1970, 1024276), (2167, 931160), (3940, 512138), (4334, 465580), (7880, 256069), (8668, 232790), (10835, 186232), (17336, 116395), (21670, 93116), (23279, 86680), (43340, 46558)]