254081470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 491754240

約数和(自身を除く): 237672770

約数列:

[1, 2, 5, 10, 29, 53, 58, 61, 106, 122, 145, 265, 271, 290, 305, 530, 542, 610, 1355, 1537, 1769, 2710, 3074, 3233, 3538, 6466, 7685, 7859, 8845, 14363, 15370, 15718, 16165, 16531, 17690, 28726, 32330, 33062, 39295, 71815, 78590, 82655, 93757, 143630, 165310, 187514, 416527, 468785, 479399, 833054, 876143, 937570, 958798, 1752286, 2082635, 2396995, 4165270, 4380715, 4793990, 8761430, 25408147, 50816294, 127040735, 254081470]

約数ペア:

[(1, 254081470), (2, 127040735), (5, 50816294), (10, 25408147), (29, 8761430), (53, 4793990), (58, 4380715), (61, 4165270), (106, 2396995), (122, 2082635), (145, 1752286), (265, 958798), (271, 937570), (290, 876143), (305, 833054), (530, 479399), (542, 468785), (610, 416527), (1355, 187514), (1537, 165310), (1769, 143630), (2710, 93757), (3074, 82655), (3233, 78590), (3538, 71815), (6466, 39295), (7685, 33062), (7859, 32330), (8845, 28726), (14363, 17690), (15370, 16531), (15718, 16165)]