234080380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 535505040

約数和(自身を除く): 301424660

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 641, 961, 1178, 1282, 1922, 2356, 2564, 2945, 3205, 3844, 4805, 5890, 6410, 9610, 11780, 12179, 12820, 18259, 19220, 19871, 24358, 36518, 39742, 48716, 60895, 73036, 79484, 91295, 99355, 121790, 182590, 198710, 243580, 365180, 377549, 397420, 616001, 755098, 1232002, 1510196, 1887745, 2464004, 3080005, 3775490, 6160010, 7550980, 11704019, 12320020, 23408038, 46816076, 58520095, 117040190, 234080380]

約数ペア:

[(1, 234080380), (2, 117040190), (4, 58520095), (5, 46816076), (10, 23408038), (19, 12320020), (20, 11704019), (31, 7550980), (38, 6160010), (62, 3775490), (76, 3080005), (95, 2464004), (124, 1887745), (155, 1510196), (190, 1232002), (310, 755098), (380, 616001), (589, 397420), (620, 377549), (641, 365180), (961, 243580), (1178, 198710), (1282, 182590), (1922, 121790), (2356, 99355), (2564, 91295), (2945, 79484), (3205, 73036), (3844, 60895), (4805, 48716), (5890, 39742), (6410, 36518), (9610, 24358), (11780, 19871), (12179, 19220), (12820, 18259)]