306020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 762048

約数和(自身を除く): 456028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 107, 110, 130, 143, 214, 220, 260, 286, 428, 535, 572, 715, 1070, 1177, 1391, 1430, 2140, 2354, 2782, 2860, 4708, 5564, 5885, 6955, 11770, 13910, 15301, 23540, 27820, 30602, 61204, 76505, 153010, 306020]

約数ペア:

[(1, 306020), (2, 153010), (4, 76505), (5, 61204), (10, 30602), (11, 27820), (13, 23540), (20, 15301), (22, 13910), (26, 11770), (44, 6955), (52, 5885), (55, 5564), (65, 4708), (107, 2860), (110, 2782), (130, 2354), (143, 2140), (214, 1430), (220, 1391), (260, 1177), (286, 1070), (428, 715), (535, 572)]