272918420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 628024320

約数和(自身を除く): 355105900

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 290, 310, 353, 430, 580, 620, 706, 860, 899, 1247, 1333, 1412, 1765, 1798, 2494, 2666, 3530, 3596, 4495, 4988, 5332, 6235, 6665, 7060, 8990, 10237, 10943, 12470, 13330, 15179, 17980, 20474, 21886, 24940, 26660, 30358, 38657, 40948, 43772, 51185, 54715, 60716, 75895, 77314, 102370, 109430, 151790, 154628, 193285, 204740, 218860, 303580, 317347, 386570, 440191, 470549, 634694, 773140, 880382, 941098, 1269388, 1586735, 1760764, 1882196, 2200955, 2352745, 3173470, 4401910, 4705490, 6346940, 8803820, 9410980, 13645921, 27291842, 54583684, 68229605, 136459210, 272918420]

約数ペア:

[(1, 272918420), (2, 136459210), (4, 68229605), (5, 54583684), (10, 27291842), (20, 13645921), (29, 9410980), (31, 8803820), (43, 6346940), (58, 4705490), (62, 4401910), (86, 3173470), (116, 2352745), (124, 2200955), (145, 1882196), (155, 1760764), (172, 1586735), (215, 1269388), (290, 941098), (310, 880382), (353, 773140), (430, 634694), (580, 470549), (620, 440191), (706, 386570), (860, 317347), (899, 303580), (1247, 218860), (1333, 204740), (1412, 193285), (1765, 154628), (1798, 151790), (2494, 109430), (2666, 102370), (3530, 77314), (3596, 75895), (4495, 60716), (4988, 54715), (5332, 51185), (6235, 43772), (6665, 40948), (7060, 38657), (8990, 30358), (10237, 26660), (10943, 24940), (12470, 21886), (13330, 20474), (15179, 17980)]