248804780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{929}}^1\times {\mathrm{1913}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 598086720

約数和(自身を除く): 349281940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 929, 1858, 1913, 3716, 3826, 4645, 6503, 7652, 9290, 9565, 13006, 13391, 18580, 19130, 26012, 26782, 32515, 38260, 53564, 65030, 66955, 130060, 133910, 267820, 1777177, 3554354, 7108708, 8885885, 12440239, 17771770, 24880478, 35543540, 49760956, 62201195, 124402390, 248804780]

約数ペア:

[(1, 248804780), (2, 124402390), (4, 62201195), (5, 49760956), (7, 35543540), (10, 24880478), (14, 17771770), (20, 12440239), (28, 8885885), (35, 7108708), (70, 3554354), (140, 1777177), (929, 267820), (1858, 133910), (1913, 130060), (3716, 66955), (3826, 65030), (4645, 53564), (6503, 38260), (7652, 32515), (9290, 26782), (9565, 26012), (13006, 19130), (13391, 18580)]