220243380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{524389}}^1$

素因数の和:524408

約数の個数: 48

約数和(自身を含む): 704780160

約数和(自身を除く): 484536780

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, 524389, 1048778, 1573167, 2097556, 2621945, 3146334, 3670723, 5243890, 6292668, 7341446, 7865835, 10487780, 11012169, 14682892, 15731670, 18353615, 22024338, 31463340, 36707230, 44048676, 55060845, 73414460, 110121690, 220243380]

約数ペア:

[(1, 220243380), (2, 110121690), (3, 73414460), (4, 55060845), (5, 44048676), (6, 36707230), (7, 31463340), (10, 22024338), (12, 18353615), (14, 15731670), (15, 14682892), (20, 11012169), (21, 10487780), (28, 7865835), (30, 7341446), (35, 6292668), (42, 5243890), (60, 3670723), (70, 3146334), (84, 2621945), (105, 2097556), (140, 1573167), (210, 1048778), (420, 524389)]