722691220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1979}}^1$

素因数の和:2069

約数の個数: 72

約数和(自身を含む): 1651557600

約数和(自身を除く): 928866380

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 961, 1178, 1922, 1979, 2356, 2945, 3844, 3958, 4805, 5890, 7916, 9610, 9895, 11780, 18259, 19220, 19790, 36518, 37601, 39580, 61349, 73036, 75202, 91295, 122698, 150404, 182590, 188005, 245396, 306745, 365180, 376010, 613490, 752020, 1165631, 1226980, 1901819, 2331262, 3803638, 4662524, 5828155, 7607276, 9509095, 11656310, 19018190, 23312620, 36134561, 38036380, 72269122, 144538244, 180672805, 361345610, 722691220]

約数ペア:

[(1, 722691220), (2, 361345610), (4, 180672805), (5, 144538244), (10, 72269122), (19, 38036380), (20, 36134561), (31, 23312620), (38, 19018190), (62, 11656310), (76, 9509095), (95, 7607276), (124, 5828155), (155, 4662524), (190, 3803638), (310, 2331262), (380, 1901819), (589, 1226980), (620, 1165631), (961, 752020), (1178, 613490), (1922, 376010), (1979, 365180), (2356, 306745), (2945, 245396), (3844, 188005), (3958, 182590), (4805, 150404), (5890, 122698), (7916, 91295), (9610, 75202), (9895, 73036), (11780, 61349), (18259, 39580), (19220, 37601), (19790, 36518)]