219723040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1429}}^1$

素因数の和:1506

約数の個数: 72

約数和(自身を含む): 536756220

約数和(自身を除く): 317033180

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, 1429, 1922, 2480, 2858, 3844, 4805, 4960, 5716, 7145, 7688, 9610, 11432, 14290, 15376, 19220, 22864, 28580, 30752, 38440, 44299, 45728, 57160, 76880, 88598, 114320, 153760, 177196, 221495, 228640, 354392, 442990, 708784, 885980, 1373269, 1417568, 1771960, 2746538, 3543920, 5493076, 6866345, 7087840, 10986152, 13732690, 21972304, 27465380, 43944608, 54930760, 109861520, 219723040]

約数ペア:

[(1, 219723040), (2, 109861520), (4, 54930760), (5, 43944608), (8, 27465380), (10, 21972304), (16, 13732690), (20, 10986152), (31, 7087840), (32, 6866345), (40, 5493076), (62, 3543920), (80, 2746538), (124, 1771960), (155, 1417568), (160, 1373269), (248, 885980), (310, 708784), (496, 442990), (620, 354392), (961, 228640), (992, 221495), (1240, 177196), (1429, 153760), (1922, 114320), (2480, 88598), (2858, 76880), (3844, 57160), (4805, 45728), (4960, 44299), (5716, 38440), (7145, 30752), (7688, 28580), (9610, 22864), (11432, 19220), (14290, 15376)]