78858170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 77905990

約数列:

[1, 2, 5, 10, 19, 38, 41, 53, 82, 95, 106, 190, 191, 205, 265, 382, 410, 530, 779, 955, 1007, 1558, 1910, 2014, 2173, 3629, 3895, 4346, 5035, 7258, 7790, 7831, 10070, 10123, 10865, 15662, 18145, 20246, 21730, 36290, 39155, 41287, 50615, 78310, 82574, 101230, 148789, 192337, 206435, 297578, 384674, 412870, 415043, 743945, 830086, 961685, 1487890, 1923370, 2075215, 4150430, 7885817, 15771634, 39429085, 78858170]

約数ペア:

[(1, 78858170), (2, 39429085), (5, 15771634), (10, 7885817), (19, 4150430), (38, 2075215), (41, 1923370), (53, 1487890), (82, 961685), (95, 830086), (106, 743945), (190, 415043), (191, 412870), (205, 384674), (265, 297578), (382, 206435), (410, 192337), (530, 148789), (779, 101230), (955, 82574), (1007, 78310), (1558, 50615), (1910, 41287), (2014, 39155), (2173, 36290), (3629, 21730), (3895, 20246), (4346, 18145), (5035, 15662), (7258, 10865), (7790, 10123), (7831, 10070)]