221010680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21839}}^1$

素因数の和:21884

約数の個数: 64

約数和(自身を含む): 566092800

約数和(自身を除く): 345082120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 21839, 43678, 87356, 109195, 174712, 218390, 240229, 436780, 480458, 502297, 873560, 960916, 1004594, 1201145, 1921832, 2009188, 2402290, 2511485, 4018376, 4804580, 5022970, 5525267, 9609160, 10045940, 11050534, 20091880, 22101068, 27626335, 44202136, 55252670, 110505340, 221010680]

約数ペア:

[(1, 221010680), (2, 110505340), (4, 55252670), (5, 44202136), (8, 27626335), (10, 22101068), (11, 20091880), (20, 11050534), (22, 10045940), (23, 9609160), (40, 5525267), (44, 5022970), (46, 4804580), (55, 4018376), (88, 2511485), (92, 2402290), (110, 2009188), (115, 1921832), (184, 1201145), (220, 1004594), (230, 960916), (253, 873560), (440, 502297), (460, 480458), (506, 436780), (920, 240229), (1012, 218390), (1265, 174712), (2024, 109195), (2530, 87356), (5060, 43678), (10120, 21839)]