28947100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3215

約数の個数: 72

約数和(自身を含む): 77335328

約数和(自身を除く): 48388228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 3181, 4550, 6362, 9100, 12724, 15905, 22267, 31810, 41353, 44534, 63620, 79525, 82706, 89068, 111335, 159050, 165412, 206765, 222670, 289471, 318100, 413530, 445340, 556675, 578942, 827060, 1033825, 1113350, 1157884, 1447355, 2067650, 2226700, 2894710, 4135300, 5789420, 7236775, 14473550, 28947100]

約数ペア:

[(1, 28947100), (2, 14473550), (4, 7236775), (5, 5789420), (7, 4135300), (10, 2894710), (13, 2226700), (14, 2067650), (20, 1447355), (25, 1157884), (26, 1113350), (28, 1033825), (35, 827060), (50, 578942), (52, 556675), (65, 445340), (70, 413530), (91, 318100), (100, 289471), (130, 222670), (140, 206765), (175, 165412), (182, 159050), (260, 111335), (325, 89068), (350, 82706), (364, 79525), (455, 63620), (650, 44534), (700, 41353), (910, 31810), (1300, 22267), (1820, 15905), (2275, 12724), (3181, 9100), (4550, 6362)]