216956460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{516563}}^1$

素因数の和:516582

約数の個数: 48

約数和(自身を含む): 694262016

約数和(自身を除く): 477305556

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, 516563, 1033126, 1549689, 2066252, 2582815, 3099378, 3615941, 5165630, 6198756, 7231882, 7748445, 10331260, 10847823, 14463764, 15496890, 18079705, 21695646, 30993780, 36159410, 43391292, 54239115, 72318820, 108478230, 216956460]

約数ペア:

[(1, 216956460), (2, 108478230), (3, 72318820), (4, 54239115), (5, 43391292), (6, 36159410), (7, 30993780), (10, 21695646), (12, 18079705), (14, 15496890), (15, 14463764), (20, 10847823), (21, 10331260), (28, 7748445), (30, 7231882), (35, 6198756), (42, 5165630), (60, 3615941), (70, 3099378), (84, 2582815), (105, 2066252), (140, 1549689), (210, 1033126), (420, 516563)]