208575440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2713}}^1$

素因数の和:2788

約数の個数: 60

約数和(自身を含む): 501270372

約数和(自身を除く): 292694932

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, 2713, 3844, 4805, 5426, 7688, 9610, 10852, 13565, 15376, 19220, 21704, 27130, 38440, 43408, 54260, 76880, 84103, 108520, 168206, 217040, 336412, 420515, 672824, 841030, 1345648, 1682060, 2607193, 3364120, 5214386, 6728240, 10428772, 13035965, 20857544, 26071930, 41715088, 52143860, 104287720, 208575440]

約数ペア:

[(1, 208575440), (2, 104287720), (4, 52143860), (5, 41715088), (8, 26071930), (10, 20857544), (16, 13035965), (20, 10428772), (31, 6728240), (40, 5214386), (62, 3364120), (80, 2607193), (124, 1682060), (155, 1345648), (248, 841030), (310, 672824), (496, 420515), (620, 336412), (961, 217040), (1240, 168206), (1922, 108520), (2480, 84103), (2713, 76880), (3844, 54260), (4805, 43408), (5426, 38440), (7688, 27130), (9610, 21704), (10852, 19220), (13565, 15376)]