213254240

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3181}}^1$

素因数の和:3615

約数の個数: 48

約数和(自身を含む): 505174320

約数和(自身を除く): 291920080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 3181, 3352, 4190, 6362, 6704, 8380, 12724, 13408, 15905, 16760, 25448, 31810, 33520, 50896, 63620, 67040, 101792, 127240, 254480, 508960, 1332839, 2665678, 5331356, 6664195, 10662712, 13328390, 21325424, 26656780, 42650848, 53313560, 106627120, 213254240]

約数ペア:

[(1, 213254240), (2, 106627120), (4, 53313560), (5, 42650848), (8, 26656780), (10, 21325424), (16, 13328390), (20, 10662712), (32, 6664195), (40, 5331356), (80, 2665678), (160, 1332839), (419, 508960), (838, 254480), (1676, 127240), (2095, 101792), (3181, 67040), (3352, 63620), (4190, 50896), (6362, 33520), (6704, 31810), (8380, 25448), (12724, 16760), (13408, 15905)]