228711560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74257}}^1$

素因数の和:74286

約数の個数: 64

約数和(自身を含む): 641589120

約数和(自身を除く): 412877560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 74257, 148514, 297028, 371285, 519799, 594056, 742570, 816827, 1039598, 1485140, 1633654, 2079196, 2598995, 2970280, 3267308, 4084135, 4158392, 5197990, 5717789, 6534616, 8168270, 10395980, 11435578, 16336540, 20791960, 22871156, 28588945, 32673080, 45742312, 57177890, 114355780, 228711560]

約数ペア:

[(1, 228711560), (2, 114355780), (4, 57177890), (5, 45742312), (7, 32673080), (8, 28588945), (10, 22871156), (11, 20791960), (14, 16336540), (20, 11435578), (22, 10395980), (28, 8168270), (35, 6534616), (40, 5717789), (44, 5197990), (55, 4158392), (56, 4084135), (70, 3267308), (77, 2970280), (88, 2598995), (110, 2079196), (140, 1633654), (154, 1485140), (220, 1039598), (280, 816827), (308, 742570), (385, 594056), (440, 519799), (616, 371285), (770, 297028), (1540, 148514), (3080, 74257)]