31274360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 76507200

約数和(自身を除く): 45232840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 439, 520, 548, 685, 878, 1096, 1370, 1756, 1781, 2195, 2740, 3512, 3562, 4390, 5480, 5707, 7124, 8780, 8905, 11414, 14248, 17560, 17810, 22828, 28535, 35620, 45656, 57070, 60143, 71240, 114140, 120286, 228280, 240572, 300715, 481144, 601430, 781859, 1202860, 1563718, 2405720, 3127436, 3909295, 6254872, 7818590, 15637180, 31274360]

約数ペア:

[(1, 31274360), (2, 15637180), (4, 7818590), (5, 6254872), (8, 3909295), (10, 3127436), (13, 2405720), (20, 1563718), (26, 1202860), (40, 781859), (52, 601430), (65, 481144), (104, 300715), (130, 240572), (137, 228280), (260, 120286), (274, 114140), (439, 71240), (520, 60143), (548, 57070), (685, 45656), (878, 35620), (1096, 28535), (1370, 22828), (1756, 17810), (1781, 17560), (2195, 14248), (2740, 11414), (3512, 8905), (3562, 8780), (4390, 7124), (5480, 5707)]