734240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 1873368

約数和(自身を除く): 1139128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 353, 416, 520, 706, 1040, 1412, 1765, 2080, 2824, 3530, 4589, 5648, 7060, 9178, 11296, 14120, 18356, 22945, 28240, 36712, 45890, 56480, 73424, 91780, 146848, 183560, 367120, 734240]

約数ペア:

[(1, 734240), (2, 367120), (4, 183560), (5, 146848), (8, 91780), (10, 73424), (13, 56480), (16, 45890), (20, 36712), (26, 28240), (32, 22945), (40, 18356), (52, 14120), (65, 11296), (80, 9178), (104, 7060), (130, 5648), (160, 4589), (208, 3530), (260, 2824), (353, 2080), (416, 1765), (520, 1412), (706, 1040)]