400124520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1111457}}^1$

素因数の和:1111474

約数の個数: 48

約数和(自身を含む): 1300405860

約数和(自身を除く): 900281340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1111457, 2222914, 3334371, 4445828, 5557285, 6668742, 8891656, 10003113, 11114570, 13337484, 16671855, 20006226, 22229140, 26674968, 33343710, 40012452, 44458280, 50015565, 66687420, 80024904, 100031130, 133374840, 200062260, 400124520]

約数ペア:

[(1, 400124520), (2, 200062260), (3, 133374840), (4, 100031130), (5, 80024904), (6, 66687420), (8, 50015565), (9, 44458280), (10, 40012452), (12, 33343710), (15, 26674968), (18, 22229140), (20, 20006226), (24, 16671855), (30, 13337484), (36, 11114570), (40, 10003113), (45, 8891656), (60, 6668742), (72, 5557285), (90, 4445828), (120, 3334371), (180, 2222914), (360, 1111457)]