402971310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{639637}}^1$

素因数の和:639657

約数の個数: 48

約数和(自身を含む): 1197402336

約数和(自身を除く): 794431026

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 639637, 1279274, 1918911, 3198185, 3837822, 4477459, 5756733, 6396370, 8954918, 9594555, 11513466, 13432377, 19189110, 22387295, 26864754, 28783665, 40297131, 44774590, 57567330, 67161885, 80594262, 134323770, 201485655, 402971310]

約数ペア:

[(1, 402971310), (2, 201485655), (3, 134323770), (5, 80594262), (6, 67161885), (7, 57567330), (9, 44774590), (10, 40297131), (14, 28783665), (15, 26864754), (18, 22387295), (21, 19189110), (30, 13432377), (35, 11513466), (42, 9594555), (45, 8954918), (63, 6396370), (70, 5756733), (90, 4477459), (105, 3837822), (126, 3198185), (210, 1918911), (315, 1279274), (630, 639637)]