2149420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 5560128

約数和(自身を除く): 3410708

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, 910, 1181, 1820, 2362, 4724, 5905, 8267, 11810, 15353, 16534, 23620, 30706, 33068, 41335, 61412, 76765, 82670, 107471, 153530, 165340, 214942, 307060, 429884, 537355, 1074710, 2149420]

約数ペア:

[(1, 2149420), (2, 1074710), (4, 537355), (5, 429884), (7, 307060), (10, 214942), (13, 165340), (14, 153530), (20, 107471), (26, 82670), (28, 76765), (35, 61412), (52, 41335), (65, 33068), (70, 30706), (91, 23620), (130, 16534), (140, 15353), (182, 11810), (260, 8267), (364, 5905), (455, 4724), (910, 2362), (1181, 1820)]