30195980

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2447}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 63540288

約数和(自身を除く): 33344308

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2447, 2468, 3085, 4894, 6170, 9788, 12235, 12340, 24470, 48940, 1509799, 3019598, 6039196, 7548995, 15097990, 30195980]

約数ペア:

[(1, 30195980), (2, 15097990), (4, 7548995), (5, 6039196), (10, 3019598), (20, 1509799), (617, 48940), (1234, 24470), (2447, 12340), (2468, 12235), (3085, 9788), (4894, 6170)]