254737140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{797}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 817254144

約数和(自身を除く): 562517004

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, 761, 797, 1522, 1594, 2283, 2391, 3044, 3188, 3805, 3985, 4566, 4782, 5327, 5579, 7610, 7970, 9132, 9564, 10654, 11158, 11415, 11955, 15220, 15940, 15981, 16737, 21308, 22316, 22830, 23910, 26635, 27895, 31962, 33474, 45660, 47820, 53270, 55790, 63924, 66948, 79905, 83685, 106540, 111580, 159810, 167370, 319620, 334740, 606517, 1213034, 1819551, 2426068, 3032585, 3639102, 4245619, 6065170, 7278204, 8491238, 9097755, 12130340, 12736857, 16982476, 18195510, 21228095, 25473714, 36391020, 42456190, 50947428, 63684285, 84912380, 127368570, 254737140]

約数ペア:

[(1, 254737140), (2, 127368570), (3, 84912380), (4, 63684285), (5, 50947428), (6, 42456190), (7, 36391020), (10, 25473714), (12, 21228095), (14, 18195510), (15, 16982476), (20, 12736857), (21, 12130340), (28, 9097755), (30, 8491238), (35, 7278204), (42, 6065170), (60, 4245619), (70, 3639102), (84, 3032585), (105, 2426068), (140, 1819551), (210, 1213034), (420, 606517), (761, 334740), (797, 319620), (1522, 167370), (1594, 159810), (2283, 111580), (2391, 106540), (3044, 83685), (3188, 79905), (3805, 66948), (3985, 63924), (4566, 55790), (4782, 53270), (5327, 47820), (5579, 45660), (7610, 33474), (7970, 31962), (9132, 27895), (9564, 26635), (10654, 23910), (11158, 22830), (11415, 22316), (11955, 21308), (15220, 16737), (15940, 15981)]