7539220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 17273088

約数和(自身を除く): 9733868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 271, 428, 535, 542, 1070, 1084, 1355, 1391, 2140, 2710, 2782, 3523, 5420, 5564, 6955, 7046, 13910, 14092, 17615, 27820, 28997, 35230, 57994, 70460, 115988, 144985, 289970, 376961, 579940, 753922, 1507844, 1884805, 3769610, 7539220]

約数ペア:

[(1, 7539220), (2, 3769610), (4, 1884805), (5, 1507844), (10, 753922), (13, 579940), (20, 376961), (26, 289970), (52, 144985), (65, 115988), (107, 70460), (130, 57994), (214, 35230), (260, 28997), (271, 27820), (428, 17615), (535, 14092), (542, 13910), (1070, 7046), (1084, 6955), (1355, 5564), (1391, 5420), (2140, 3523), (2710, 2782)]