254264220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{201797}}^1$

素因数の和:201819

約数の個数: 72

約数和(自身を含む): 881453664

約数和(自身を除く): 627189444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 201797, 403594, 605391, 807188, 1008985, 1210782, 1412579, 1816173, 2017970, 2421564, 2825158, 3026955, 3632346, 4035940, 4237737, 5650316, 6053910, 7062895, 7264692, 8475474, 9080865, 12107820, 12713211, 14125790, 16950948, 18161730, 21188685, 25426422, 28251580, 36323460, 42377370, 50852844, 63566055, 84754740, 127132110, 254264220]

約数ペア:

[(1, 254264220), (2, 127132110), (3, 84754740), (4, 63566055), (5, 50852844), (6, 42377370), (7, 36323460), (9, 28251580), (10, 25426422), (12, 21188685), (14, 18161730), (15, 16950948), (18, 14125790), (20, 12713211), (21, 12107820), (28, 9080865), (30, 8475474), (35, 7264692), (36, 7062895), (42, 6053910), (45, 5650316), (60, 4237737), (63, 4035940), (70, 3632346), (84, 3026955), (90, 2825158), (105, 2421564), (126, 2017970), (140, 1816173), (180, 1412579), (210, 1210782), (252, 1008985), (315, 807188), (420, 605391), (630, 403594), (1260, 201797)]