400456944

素因数分解:

$2^4\times 3^2\times {\mathrm{2780951}}^1$

素因数の和:2780965

約数の個数: 30

約数和(自身を含む): 1120723656

約数和(自身を除く): 720266712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2780951, 5561902, 8342853, 11123804, 16685706, 22247608, 25028559, 33371412, 44495216, 50057118, 66742824, 100114236, 133485648, 200228472, 400456944]

約数ペア:

[(1, 400456944), (2, 200228472), (3, 133485648), (4, 100114236), (6, 66742824), (8, 50057118), (9, 44495216), (12, 33371412), (16, 25028559), (18, 22247608), (24, 16685706), (36, 11123804), (48, 8342853), (72, 5561902), (144, 2780951)]