223886720

素因数分解:

$2^7\times 5^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 537287040

約数和(自身を除く): 313400320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 353, 640, 706, 991, 1412, 1765, 1982, 2824, 3530, 3964, 4955, 5648, 7060, 7928, 9910, 11296, 14120, 15856, 19820, 22592, 28240, 31712, 39640, 45184, 56480, 63424, 79280, 112960, 126848, 158560, 225920, 317120, 349823, 634240, 699646, 1399292, 1749115, 2798584, 3498230, 5597168, 6996460, 11194336, 13992920, 22388672, 27985840, 44777344, 55971680, 111943360, 223886720]

約数ペア:

[(1, 223886720), (2, 111943360), (4, 55971680), (5, 44777344), (8, 27985840), (10, 22388672), (16, 13992920), (20, 11194336), (32, 6996460), (40, 5597168), (64, 3498230), (80, 2798584), (128, 1749115), (160, 1399292), (320, 699646), (353, 634240), (640, 349823), (706, 317120), (991, 225920), (1412, 158560), (1765, 126848), (1982, 112960), (2824, 79280), (3530, 63424), (3964, 56480), (4955, 45184), (5648, 39640), (7060, 31712), (7928, 28240), (9910, 22592), (11296, 19820), (14120, 15856)]