254802660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{606673}}^1$

素因数の和:606692

約数の個数: 48

約数和(自身を含む): 815369856

約数和(自身を除く): 560567196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 606673, 1213346, 1820019, 2426692, 3033365, 3640038, 4246711, 6066730, 7280076, 8493422, 9100095, 12133460, 12740133, 16986844, 18200190, 21233555, 25480266, 36400380, 42467110, 50960532, 63700665, 84934220, 127401330, 254802660]

約数ペア:

[(1, 254802660), (2, 127401330), (3, 84934220), (4, 63700665), (5, 50960532), (6, 42467110), (7, 36400380), (10, 25480266), (12, 21233555), (14, 18200190), (15, 16986844), (20, 12740133), (21, 12133460), (28, 9100095), (30, 8493422), (35, 7280076), (42, 6066730), (60, 4246711), (70, 3640038), (84, 3033365), (105, 2426692), (140, 1820019), (210, 1213346), (420, 606673)]