1275820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 3302208

約数和(自身を除く): 2026388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 701, 910, 1402, 1820, 2804, 3505, 4907, 7010, 9113, 9814, 14020, 18226, 19628, 24535, 36452, 45565, 49070, 63791, 91130, 98140, 127582, 182260, 255164, 318955, 637910, 1275820]

約数ペア:

[(1, 1275820), (2, 637910), (4, 318955), (5, 255164), (7, 182260), (10, 127582), (13, 98140), (14, 91130), (20, 63791), (26, 49070), (28, 45565), (35, 36452), (52, 24535), (65, 19628), (70, 18226), (91, 14020), (130, 9814), (140, 9113), (182, 7010), (260, 4907), (364, 3505), (455, 2804), (701, 1820), (910, 1402)]