7290920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 20200320

約数和(自身を除く): 12909400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2003, 3640, 4006, 8012, 10015, 14021, 16024, 20030, 26039, 28042, 40060, 52078, 56084, 70105, 80120, 104156, 112168, 130195, 140210, 182273, 208312, 260390, 280420, 364546, 520780, 560840, 729092, 911365, 1041560, 1458184, 1822730, 3645460, 7290920]

約数ペア:

[(1, 7290920), (2, 3645460), (4, 1822730), (5, 1458184), (7, 1041560), (8, 911365), (10, 729092), (13, 560840), (14, 520780), (20, 364546), (26, 280420), (28, 260390), (35, 208312), (40, 182273), (52, 140210), (56, 130195), (65, 112168), (70, 104156), (91, 80120), (104, 70105), (130, 56084), (140, 52078), (182, 40060), (260, 28042), (280, 26039), (364, 20030), (455, 16024), (520, 14021), (728, 10015), (910, 8012), (1820, 4006), (2003, 3640)]