238789280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1553}}^1$

素因数の和:1630

約数の個数: 72

約数和(自身を含む): 583300116

約数和(自身を除く): 344510836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1553, 1922, 2480, 3106, 3844, 4805, 4960, 6212, 7688, 7765, 9610, 12424, 15376, 15530, 19220, 24848, 30752, 31060, 38440, 48143, 49696, 62120, 76880, 96286, 124240, 153760, 192572, 240715, 248480, 385144, 481430, 770288, 962860, 1492433, 1540576, 1925720, 2984866, 3851440, 5969732, 7462165, 7702880, 11939464, 14924330, 23878928, 29848660, 47757856, 59697320, 119394640, 238789280]

約数ペア:

[(1, 238789280), (2, 119394640), (4, 59697320), (5, 47757856), (8, 29848660), (10, 23878928), (16, 14924330), (20, 11939464), (31, 7702880), (32, 7462165), (40, 5969732), (62, 3851440), (80, 2984866), (124, 1925720), (155, 1540576), (160, 1492433), (248, 962860), (310, 770288), (496, 481430), (620, 385144), (961, 248480), (992, 240715), (1240, 192572), (1553, 153760), (1922, 124240), (2480, 96286), (3106, 76880), (3844, 62120), (4805, 49696), (4960, 48143), (6212, 38440), (7688, 31060), (7765, 30752), (9610, 24848), (12424, 19220), (15376, 15530)]