5718140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 12603360

約数和(自身を除く): 6885220

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 109, 122, 172, 215, 218, 244, 305, 430, 436, 545, 610, 860, 1090, 1220, 2180, 2623, 4687, 5246, 6649, 9374, 10492, 13115, 13298, 18748, 23435, 26230, 26596, 33245, 46870, 52460, 66490, 93740, 132980, 285907, 571814, 1143628, 1429535, 2859070, 5718140]

約数ペア:

[(1, 5718140), (2, 2859070), (4, 1429535), (5, 1143628), (10, 571814), (20, 285907), (43, 132980), (61, 93740), (86, 66490), (109, 52460), (122, 46870), (172, 33245), (215, 26596), (218, 26230), (244, 23435), (305, 18748), (430, 13298), (436, 13115), (545, 10492), (610, 9374), (860, 6649), (1090, 5246), (1220, 4687), (2180, 2623)]