406249620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{967261}}^1$

素因数の和:967280

約数の個数: 48

約数和(自身を含む): 1300000128

約数和(自身を除く): 893750508

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, 967261, 1934522, 2901783, 3869044, 4836305, 5803566, 6770827, 9672610, 11607132, 13541654, 14508915, 19345220, 20312481, 27083308, 29017830, 33854135, 40624962, 58035660, 67708270, 81249924, 101562405, 135416540, 203124810, 406249620]

約数ペア:

[(1, 406249620), (2, 203124810), (3, 135416540), (4, 101562405), (5, 81249924), (6, 67708270), (7, 58035660), (10, 40624962), (12, 33854135), (14, 29017830), (15, 27083308), (20, 20312481), (21, 19345220), (28, 14508915), (30, 13541654), (35, 11607132), (42, 9672610), (60, 6770827), (70, 5803566), (84, 4836305), (105, 3869044), (140, 2901783), (210, 1934522), (420, 967261)]