149381800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{2069}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 366731550

約数和(自身を除く): 217349750

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 722, 760, 950, 1444, 1805, 1900, 2069, 2888, 3610, 3800, 4138, 7220, 8276, 9025, 10345, 14440, 16552, 18050, 20690, 36100, 39311, 41380, 51725, 72200, 78622, 82760, 103450, 157244, 196555, 206900, 314488, 393110, 413800, 746909, 786220, 982775, 1493818, 1572440, 1965550, 2987636, 3734545, 3931100, 5975272, 7469090, 7862200, 14938180, 18672725, 29876360, 37345450, 74690900, 149381800]

約数ペア:

[(1, 149381800), (2, 74690900), (4, 37345450), (5, 29876360), (8, 18672725), (10, 14938180), (19, 7862200), (20, 7469090), (25, 5975272), (38, 3931100), (40, 3734545), (50, 2987636), (76, 1965550), (95, 1572440), (100, 1493818), (152, 982775), (190, 786220), (200, 746909), (361, 413800), (380, 393110), (475, 314488), (722, 206900), (760, 196555), (950, 157244), (1444, 103450), (1805, 82760), (1900, 78622), (2069, 72200), (2888, 51725), (3610, 41380), (3800, 39311), (4138, 36100), (7220, 20690), (8276, 18050), (9025, 16552), (10345, 14440)]