221952560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2887}}^1$

素因数の和:2962

約数の個数: 60

約数和(自身を含む): 533407824

約数和(自身を除く): 311455264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2887, 3844, 4805, 5774, 7688, 9610, 11548, 14435, 15376, 19220, 23096, 28870, 38440, 46192, 57740, 76880, 89497, 115480, 178994, 230960, 357988, 447485, 715976, 894970, 1431952, 1789940, 2774407, 3579880, 5548814, 7159760, 11097628, 13872035, 22195256, 27744070, 44390512, 55488140, 110976280, 221952560]

約数ペア:

[(1, 221952560), (2, 110976280), (4, 55488140), (5, 44390512), (8, 27744070), (10, 22195256), (16, 13872035), (20, 11097628), (31, 7159760), (40, 5548814), (62, 3579880), (80, 2774407), (124, 1789940), (155, 1431952), (248, 894970), (310, 715976), (496, 447485), (620, 357988), (961, 230960), (1240, 178994), (1922, 115480), (2480, 89497), (2887, 76880), (3844, 57740), (4805, 46192), (5774, 38440), (7688, 28870), (9610, 23096), (11548, 19220), (14435, 15376)]