67719800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 168739200

約数和(自身を除く): 101019400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 71, 76, 95, 100, 142, 152, 190, 200, 251, 284, 355, 380, 475, 502, 568, 710, 760, 950, 1004, 1255, 1349, 1420, 1775, 1900, 2008, 2510, 2698, 2840, 3550, 3800, 4769, 5020, 5396, 6275, 6745, 7100, 9538, 10040, 10792, 12550, 13490, 14200, 17821, 19076, 23845, 25100, 26980, 33725, 35642, 38152, 47690, 50200, 53960, 67450, 71284, 89105, 95380, 119225, 134900, 142568, 178210, 190760, 238450, 269800, 338599, 356420, 445525, 476900, 677198, 712840, 891050, 953800, 1354396, 1692995, 1782100, 2708792, 3385990, 3564200, 6771980, 8464975, 13543960, 16929950, 33859900, 67719800]

約数ペア:

[(1, 67719800), (2, 33859900), (4, 16929950), (5, 13543960), (8, 8464975), (10, 6771980), (19, 3564200), (20, 3385990), (25, 2708792), (38, 1782100), (40, 1692995), (50, 1354396), (71, 953800), (76, 891050), (95, 712840), (100, 677198), (142, 476900), (152, 445525), (190, 356420), (200, 338599), (251, 269800), (284, 238450), (355, 190760), (380, 178210), (475, 142568), (502, 134900), (568, 119225), (710, 95380), (760, 89105), (950, 71284), (1004, 67450), (1255, 53960), (1349, 50200), (1420, 47690), (1775, 38152), (1900, 35642), (2008, 33725), (2510, 26980), (2698, 25100), (2840, 23845), (3550, 19076), (3800, 17821), (4769, 14200), (5020, 13490), (5396, 12550), (6275, 10792), (6745, 10040), (7100, 9538)]