258778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{6673}}^1$

素因数の和:6966

約数の個数: 48

約数和(自身を含む): 623404992

約数和(自身を除く): 364626052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 6673, 7756, 9695, 13346, 19390, 26692, 33365, 38780, 46711, 66730, 93422, 133460, 186844, 233555, 467110, 934220, 1848421, 3696842, 7393684, 9242105, 12938947, 18484210, 25877894, 36968420, 51755788, 64694735, 129389470, 258778940]

約数ペア:

[(1, 258778940), (2, 129389470), (4, 64694735), (5, 51755788), (7, 36968420), (10, 25877894), (14, 18484210), (20, 12938947), (28, 9242105), (35, 7393684), (70, 3696842), (140, 1848421), (277, 934220), (554, 467110), (1108, 233555), (1385, 186844), (1939, 133460), (2770, 93422), (3878, 66730), (5540, 46711), (6673, 38780), (7756, 33365), (9695, 26692), (13346, 19390)]